A circle has a circumference of x feet and an area of y square feet. If x=2y, what is the radius of the circle

Question

Mathematics

Kendal

5 April, 06:13

A circle has a circumference of x feet and an area of y square feet. If x=2y, what is the radius of the circle

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Answers (2)

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William Peck · Answer 1

Formula: circumference = 2πr

Formula: Area = πr²

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Given circumference = x and area = y and x = 2y

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2πr = 2πr²

Divide by 2πr on both sides:

r = 1

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Answer: r = 1

Lucia Daniel · Answer 2

x=2y is linear and can also be writtend as y=x/2