Year 7

Triangles and composite rectangles

Free examples and worked answers. No account needed.

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Practise the method.

Example 1

Triangle with perpendicular height
Triangle with perpendicular heightTriangle base 8 cm and perpendicular height 4 cm. Diagram not to scale. Use the labelled measurements.8 cm4 cm
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Answer:

Example 2

Parallelogram
ParallelogramParallelogram with base 14 cm and perpendicular height 7 cm. Diagram not to scale. Use the labelled measurements.14 cm7 cm
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Answer:

Example 3

L-shaped region
L-shaped regionA rectangle with its lower-right rectangular corner removed. Overall width 16 cm, overall height 11 cm, cut-out width 5 cm, cut-out height 5 cm. Diagram not to scale. Use the labelled measurements.16 cm11 cm5 cm5 cm
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Answer: