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defon
2 years ago
10

A circle has a radius of 9 cm.

Mathematics
2 answers:
stira [4]2 years ago
8 0

Radius = 9cm

So,

Area of circle = πr²

= π(9)²

= π × 81 cm²

= 81π cm²

Sauron [17]2 years ago
4 0

Answer:

254.469 cm

Step-by-step explanation:

area = πr^2

π × 81 = 254.469005 rounded to 254.469 cm

in other terms, 81π cm^2

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