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Saturday, April 19, 2014

Circles - Circumference, Area Problems

Category: Plane Geometry

"Published in Vacaville, California, USA"

A storage bin of circular base has 324 sq. ft. of floor space. Find the radius of the floor.


To illustrate the problem, it is better to draw the figure as follows

Photo by Math Principles in Everyday Life  

The area of a circular storage bin is given by the formula

Substitute the value of the area of a circular storage bin in order to solve for its radius, we have