haydenwrestles1 haydenwrestles1
  • 21-08-2017
  • Mathematics
contestada

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

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Banabanana
Banabanana Banabanana
  • 21-08-2017
С = 2πr  [π≈3.14]

220 = 2 * 3.14 * r
220 = 6.28r 
r = 220/6.28 ≈ 35 cm  ←  to the nearest whole number.
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