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Find the diameter of a circle with an area of 30.25 pi.
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Find the diameter of a circle with an area of 30.25 pi.

User CHRD
by
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1 Answer

7 votes

Answer:

11

Explanation:

Radius = R, Diameter = D

Area of a circle A = πR² = π(D/2)² = πD²/4

so D² = 4A/π = 4*30.25π/π = 121


D=√(121) = 11

User Sharlene
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