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1.035 Area of composite shapes

Interactive practice questions

Consider the shaded region in the adjacent figure.

a

First, find the area of the big rectangle below.

b

Find the area of the coloured triangle below.

c

Using your answers to the previous parts, find the area of this shape.

Medium
1min

Consider the figure shown below (all measurements are in cm).

Medium
2min

Find the area of the figure shown.

Medium
1min

Find the area of the figure shown.

Medium
1min
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Outcomes

ACMEM093

use formulas to calculate areas of regular shapes, including triangles, squares, rectangles, parallelograms, trapeziums, circles and sectors

ACMEM094

find the area of irregular figures by decomposition into regular shapes

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