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A circular mat has a circumference of 220 centimeters. Find the radius rounded to the nearest whole number.

A circular mat has a circumference of 220 centimeters. Find the radius rounded to the nearest whole number.
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4 votes
A circular mat has a circumference of 220 centimeters. Find the radius rounded to the nearest whole number.

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User Christoph Wurm
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1 Answer

4 votes
С = 2πr [π≈3.14]

220 = 2 * 3.14 * r
220 = 6.28r
r = 220/6.28 ≈ 35 cm ← to the nearest whole number.
answered
User Nimelrian
by
8.2k points
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