Otakelly Otakelly

15-08-2017
Chemistry

contestada

A compact disc has a diameter of 11.8 cm. What is the surface area of the disk in square centimeters? In square meters?

Respuesta :

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15-08-2017

A disc is a circle so the formula for the area is pie r^2. So plugging in the numbers bring in the answer of 18.53

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