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What is the approximate radius of the disc if the area is 78.5 square inches?
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5 votes
What is the approximate radius of the disc if the area is 78.5 square inches?

User David Parks
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2 Answers

1 vote

78.5 = 3.14 * r^2

r^2 = 78.5 / 3.14 = 25

r = radius = 5 answer

User Traore
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3 votes


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User Zubda
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