Alyssa Z.
asked • 04/22/21Use your calculator value of 𝜋 to find the length of the radius of the disk to the nearest tenth of a cm.
A metal circular disk whose area is 146 cm2 is used as a knock out (opening) on an electrical service in a factory. Use your calculator value of 𝜋 to find the length of the radius of the disk to the nearest tenth of a cm.
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1 Expert Answer
Area = PI * Radius ** 2
146 = PI * Radius **2
146/PI = Radius ** 2
sqrt(146/PI) = Radius
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Brenda D.
04/22/21