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Find the area of the circle

Find the area of the circle
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2 votes
Find the area of the circle

Find the area of the circle-example-1
User Hpoe
by
7.2k points

1 Answer

2 votes

Answer:

cos 30° = 9√3 / d

d = 18 cm

r = d/2 = 18/2 = 9 cm

A = πr² = π•9² = 81π cm² or 254.47 cm²

User Olof
by
7.8k points
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