Topics
2. Measurement
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AustraliaQLD
Year 12

2.035 Area of composite shapes

Lesson
Worksheet
Practice

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.

Easy
1min

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

Easy
2min

Find the area of the figure shown.

Easy
1min

Find the area of the figure shown.

Easy
1min
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Outcomes

3.1.3.2

estimate the areas of different shapes

3.1.3.3

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

3.1.3.4

use formulas to calculate areas of regular shapes, including trapeziums and sectors [complex]

3.1.3.5

use formulas to calculate areas of composite figures by decomposing them into regular shapes [complex]

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