cierracoronel cierracoronel

12-09-2017
Mathematics

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The area of circle Z is 64πft².
What is the value of r?
r=__ ft

Respuesta :

Palmetto18 Palmetto18

12-09-2017

A=πr²
πr²= 64π
Subtract the from both sides
r²=64
Square root both sides
r=8

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