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14 votes
A circle has a radius of 9 cm.

Work out the area of the circle.
Give your answer in terms of pi.

2 Answers

10 votes

Answer:

254.469 cm

Explanation:

area = πr^2

π × 81 = 254.469005 rounded to 254.469 cm

in other terms, 81π cm^2

User Ubernator
by
9.1k points
7 votes

Radius = 9cm

So,

Area of circle = πr²

= π(9)²

= π × 81 cm²

= 81π cm²

User Ullan
by
8.3k points

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