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The circumference of a circle exceeds the diameter by 20 cm. Find the radius of the circle.​
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The circumference of a circle exceeds the diameter by 20 cm. Find the radius of the circle.​

User MONTYHS
by
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1 Answer

7 votes

Answer:

Explanation:

Circumference C = d + 20cm, or C = 2r + 20 cm

C - 20 cm

Solving for 2r, we get C - 20 cm = 2r. and so r = -------------------

2

User Stillmotion
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