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Area of a trapezium (UEB uncontracted)
by RnibThis page shows two simple shapes. There is a locator dot shown, which will be at the top left, when the image is the correct way up. The trapezium at the top of the page has its dimensions labelled with letters. These are referred to in the formula just up from the trapezium. This is the generic formula for working out the area of a trapezium. A second trapezium is at the bottom of the page, labelled with dimensions in metres. The calculation for the area of this trapezium is at the bottom of the page.
Area of a trapezium (UEB contracted)
by RnibThis page shows two simple shapes. There is a locator dot shown, which will be at the top left, when the image is the correct way up. The trapezium at the top of the page has its dimensions labelled with letters. These are referred to in the formula just up from the trapezium. This is the generic formula for working out the area of a trapezium. A second trapezium is at the bottom of the page, labelled with dimensions in metres. The calculation for the area of this trapezium is at the bottom of the page.
Area of a trapezium (large print)
by RnibThis page shows two simple shapes. There is a locator dot shown, which will be at the top left, when the image is the correct way up. The trapezium at the top of the page has its dimensions labelled with letters. These are referred to in the formula just up from the trapezium. This is the generic formula for working out the area of a trapezium. A second trapezium is at the bottom of the page, labelled with dimensions in metres. The calculation for the area of this trapezium is at the bottom of the page.
Area of a parallelogram (UEB contracted)
by RnibThis page shows a simple shape. There is a locator dot shown, which will be at the top left, when the image is the correct way up. The parallelogram with its height and base labelled in centimetres is in the middle of the page. The generic formula for working out the area of a parallelogram is given. The calculation for the area of this parallelogram is at the bottom of the page.
Area of a parallelogram (large print)
by RnibThis page shows a simple shape. There is a locator dot shown, which will be at the top left, when the image is the correct way up. The parallelogram with its height and base labelled in centimetres is in the middle of the page. The generic formula for working out the area of a parallelogram is given. The calculation for the area of this parallelogram is at the bottom of the page.
Area of a parallelogram (UEB uncontracted)
by RnibThis page shows a simple shape. There is a locator dot shown, which will be at the top left, when the image is the correct way up. The parallelogram with its height and base labelled in centimetres is in the middle of the page. The generic formula for working out the area of a parallelogram is given. The calculation for the area of this parallelogram is at the bottom of the page.
Area of a compound shape (UEB uncontracted)
by RnibThis page shows a small diagram. There is a locator dot shown, which will be at the top left, when the image is the correct way up. The shape comprises two rectangles joined together. The sides are labelled with their length in centimetres. How to calculate the area of the shape is explained just down from the shape.
Area of a compound shape (UEB contracted)
by RnibThis page shows a small diagram. There is a locator dot shown, which will be at the top left, when the image is the correct way up. The shape comprises two rectangles joined together. The sides are labelled with their length in centimetres. How to calculate the area of the shape is explained just down from the shape.
Area of a compound shape (large print)
by RnibThis page shows a small diagram. There is a locator dot shown, which will be at the top left, when the image is the correct way up.
Areas - trapezium (tactile)
by RnibThis diagram shows a trapezium with 3 parts labelled with arrows. The height is labelled h, the top length is labelled a and the bottom length is labelled b. These lengths allow you to work out the area of the shape.
Area of shapes (tactile)
by Adrian FarnsworthThese three pages each show a different shape and the formula needed to calculate its area.
Area of a trapezium (tactile)
by Sheffield Vi ServiceThis is a labelled diagram showing how the area of a trapezium is calculated.
Angles in triangles (UEB uncontracted)
by RnibThese pages show two labelled triangles on each page. It is a multi-page image set on two pages. There is a locator dot shown on each page, which will be at the top left when the image is the correct way up. Work out what the value is of the angles marked with a letter. The top triangle is a scalene triangle. It has no sides or angles the same. The bottom triangle is an isosceles triangle. It has two sides and two angles the same. The top diagram is an equilateral triangle. All sides are the same length and all angles are equal (60 degrees). The bottom diagram is a right-angled triangle. It has one right angle (90 degrees).
Angles in triangles (UEB contracted)
by RnibThese pages show two labelled triangles on each page. It is a multi-page image set on two pages. There is a locator dot shown on each page, which will be at the top left when the image is the correct way up. Work out what the value is of the angles marked with a letter. The top triangle is a scalene triangle. It has no sides or angles the same. The bottom triangle is an isosceles triangle. It has two sides and two angles the same. The top diagram is an equilateral triangle. All sides are the same length and all angles are equal (60 degrees). The bottom diagram is a right-angled triangle. It has one right angle (90 degrees).
Angles in triangles (large print)
by RnibThese pages show two labelled triangles on each page. It is a multi-page image set on two pages. There is a locator dot shown on each page, which will be at the top left when the image is the correct way up. Work out what the value is of the angles marked with a letter. The top triangle is a scalene triangle. It has no sides or angles the same. The bottom triangle is an isosceles triangle. It has two sides and two angles the same. The top diagram is an equilateral triangle. All sides are the same length and all angles are equal (60 degrees). The bottom diagram is a right-angled triangle. It has one right angle (90 degrees).
Angles in the same segment are equal (UEB uncontracted)
by New College WorcesterThis is an image of a circle containing two triangles. There is a locator dot shown, which will be at the top left of the page when the image is the correct way up. Two angles of each triangle touch the circle circumference. The other angle is where the triangles meet in the middle of the diagram.
Angles in the same segment are equal (UEB contracted)
by New College WorcesterThis is an image of a circle containing two triangles. There is a locator dot shown, which will be at the top left of the page when the image is the correct way up. Two angles of each triangle touch the circle circumference. The other angle is where the triangles meet in the middle of the diagram.
Angles in the same segment are equal (large print)
by New College WorcesterThis is an image of a circle containing two triangles. There is a locator dot shown, which will be at the top left of the page when the image is the correct way up. Two angles of each triangle touch the circle circumference. The other angle is where the triangles meet in the middle of the diagram.
Angles in regular polygons (UEB contracted)
by RnibThese pages show labelled geometric shapes on each page. It is a multi-page image set on two pages. There is a locator dot shown on each page, which will be at the top left when the image is the correct way up. Calculate the values of the angles marked with a letter. This page has three shapes on it. There is a triangle at the top, a square in the middle and a pentagon at the bottom of the page. The triangle and the square have a line extending from the baseline to the right. The internal angle in the bottom right of the shape is marked in degrees. The external angle between the extended line and the shape's side is also marked in degrees. The pentagon has a similar arrangement but it is the top line that is extended and so the angles are marked in the top right of the shape. This page has two shapes on it. There is a hexagon at the top and an octagon at the bottom of the page. The shapes have a line extending from the baseline to the right. The internal angle in the bottom right of the shape is marked in degrees. The external angle between the extended line and the shape's side is also marked in degrees.
Angles in regular polygons (UEB uncontracted)
by RnibThese pages show labelled geometric shapes on each page. It is a multi-page image set on two pages. There is a locator dot shown on each page, which will be at the top left when the image is the correct way up. Calculate the values of the angles marked with a letter. This page has three shapes on it. There is a triangle at the top, a square in the middle and a pentagon at the bottom of the page. The triangle and the square have a line extending from the baseline to the right. The internal angle in the bottom right of the shape is marked in degrees. The external angle between the extended line and the shape's side is also marked in degrees. The pentagon has a similar arrangement but it is the top line that is extended and so the angles are marked in the top right of the shape. This page has two shapes on it. There is a hexagon at the top and an octagon at the bottom of the page. The shapes have a line extending from the baseline to the right. The internal angle in the bottom right of the shape is marked in degrees. The external angle between the extended line and the shape's side is also marked in degrees.
Angles in regular polygons (large print)
by RnibThese pages show labelled geometric shapes on each page. It is a multi-page image set on two pages. There is a locator dot shown on each page, which will be at the top left when the image is the correct way up. Calculate the values of the angles marked with a letter. This page has three shapes on it. There is a triangle at the top, a square in the middle and a pentagon at the bottom of the page. The triangle and the square have a line extending from the baseline to the right. The internal angle in the bottom right of the shape is marked in degrees. The external angle between the extended line and the shape's side is also marked in degrees. The pentagon has a similar arrangement but it is the top line that is extended and so the angles are marked in the top right of the shape. This page has two shapes on it. There is a hexagon at the top and an octagon at the bottom of the page. The shapes have a line extending from the baseline to the right. The internal angle in the bottom right of the shape is marked in degrees. The external angle between the extended line and the shape's side is also marked in degrees.
Angles in quadrilaterals (UEB uncontracted)
by RnibThese pages show two labelled quadrilaterals on each page. It is a multi-page image set on two pages. There is a locator dot shown on each page, which will be at the top left when the image is the correct way up. Work out what the value is of the angles marked with a letter. The top quadrilateral is a square with four equal sides. The bottom quadrilateral is a rectangle. The opposite sides are the same length. The top diagram is a parallelogram. The opposite sides are the same length and parallel. The bottom diagram is an isosceles trapezium. One pair of opposite sides is the same length and the other pair of opposite sides are parallel.
Angles in quadrilaterals (UEB contracted)
by RnibThese pages show two labelled quadrilaterals on each page. It is a multi-page image set on two pages. There is a locator dot shown on each page, which will be at the top left when the image is the correct way up. Work out what the value is of the angles marked with a letter. The top quadrilateral is a square with four equal sides. The bottom quadrilateral is a rectangle. The opposite sides are the same length. The top diagram is a parallelogram. The opposite sides are the same length and parallel. The bottom diagram is an isosceles trapezium. One pair of opposite sides is the same length and the other pair of opposite sides are parallel.
Angles in quadrilaterals (large print)
by RnibThese pages show two labelled quadrilaterals on each page. It is a multi-page image set on two pages. There is a locator dot shown on each page, which will be at the top left when the image is the correct way up. Work out what the value is of the angles marked with a letter. The top quadrilateral is a square with four equal sides. The bottom quadrilateral is a rectangle. The opposite sides are the same length. The top diagram is a parallelogram. The opposite sides are the same length and parallel. The bottom diagram is an isosceles trapezium. One pair of opposite sides is the same length and the other pair of opposite sides are parallel.
Angles (mixed questions) (UEB uncontracted)
by New College WorcesterThese four pages each have two or three shapes or sets of lines making angles. Some angles are marked in degrees and some with a letter. Calculate the angle of those marked by a letter. There is a locator dot shown, which will be at the top left of the page when the image is the correct way up.