9. Measurement

9.01 Areas of special quadrilaterals

9.02 Introducing the circle

9.03 Area of a circle

9.04 Parts of circles

9.05 Composite shapes

9.06 Surface area of prisms

9.07 Surface area of cylinders

9.08 Volume of prisms and cylinders

9.09 Metric units for area and volume

9.10 Volume and capacity

Middle Years

9.05 Composite shapes

Interactive practice questions

Consider the composite shape.

A dark blue composite shape is composed of two identical quadrilaterals joined together to form a six-sided shape. Each side of the composite shape has a single tick mark. The right side of the quadrilateral is labeled $11$11 cm, as indicated by a dimension line.

a

Which basic shapes make up this composite shape?

Two rhombuses

A

One rhombus

B

Two trapeziums

C

One trapezium minus one triangle

D

b

Find the $perimeter$ of the composite shape.

Easy

1 min

Consider the composite shape.

Easy

2 min

Consider the composite shape.

Easy

3 min

Consider the composite shape.

Easy

2 min

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