2. Measurement

2.01 Units of length and area

2.025 Perimeter of circular shapes

2.035 Area of composite shapes

2.04 Surface area of prisms

2.045 Surface area of pyramids

2.05 Surface area of cylinders and spheres

2.06 Surface area of composite shapes

2.07 Units of volume and capacity

2.08 Volume of prisms and pyramids

2.085 Volume of cylinders and spheres

2.09 Volume and capacity of composite shapes

Year 12

2.025 Perimeter of circular shapes

Interactive practice questions

Find the circumference of the circle shown, correct to two decimal places.

A circle with a diameter is presented. The length of the diameter is measured $13$ cm.

Easy

< 1min

Find the circumference of the circle shown, correct to two decimal places.

Easy

1min

If the radius of a circle is equal to $27$27 cm, find its circumference correct to one decimal place.

Easy

< 1min

A circular running track has a diameter of $23$23 metres. How many laps must be completed to run $1600$1600 metres?

Give your answer correct to one decimal place.

Medium

2min

Outcomes

3.1.2.1

use metric units of length (millimetres, centimetres, metres, kilometres), their abbreviations (mm, cm, m, km), conversions between them, and appropriate levels of accuracy and choice of units

3.1.2.3

use formulas to calculate perimeters of familiar shapes, including triangles, squares, rectangles, polygons, circles and arc lengths

3.1.2.4

use formulas to calculate perimeters of familiar composite shapes [complex]

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