Topics
14 Length and area
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AustraliaNSW
Stage 4

14.07 Composite shapes

Lesson
Worksheet
Practice

Interactive practice questions

The composite shape can be broken down into two smaller rectangles as shown:

A composite shape is made up of two smaller rectangles. Rectangle 2 shares its upper side with rectangle 1, but rectangle 1 is wider and extends to the right. The upper side of rectangle 1 is marked 15 cm, the right side is marked 3 cm. The right side of rectangle 2 is marked 16 cm, the bottom side is marked 7 cm.
a

Find the area of rectangle 1..

b

Find the area of rectangle 2.

c

Find the total area of the composite shape.

Easy
3min

The composite shape can be broken down into three smaller rectangles as shown:

Easy
4min

The composite shape can be broken down into two smaller rectangles as shown:

Easy
3min

The composite shape can be broken down into one smaller rectangle and one smaller triangle as shown:

Easy
3min
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MA4-13MG

uses formulas to calculate the areas of quadrilaterals and circles, and converts between units of area

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