savannahcunninoyezy1 savannahcunninoyezy1

17-11-2017
Mathematics

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Nick is making a model of a car to show at his school. The circumference of each wheel is 9.42 inches. What is the diameter of the wheel?

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MalakMselg MalakMselg

17-11-2017

perimeter = 2 pi r
9.42 = 2 × 22/7 × r
9.42 ×7 / 22 ×2 = r
r = 1.5 inches
Diameter = 2r
= 2× 1.5 =3
Therefore, diameter = 3 inches

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