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Class 7 maths · T.8 · Circles

Area in terms of π

Leave π in your answer. Circumference = 2πr and area = πr².

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  1. A circle has a radius of 8 cm. Find its area. Give the answer in terms of π.

    Answer: 64π

  2. A circle has a radius of 33 cm. Find its area. Give the answer in terms of π.

    Answer: 1089π

  3. A circle has a radius of 29 cm. Find its area. Give the answer in terms of π.

    Answer: 841π

Tip: Leave π in your answer. Circumference = 2πr and area = πr².

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