February 20, 2017

Homework Help: mathematics

Posted by Richelle on Saturday, October 29, 2011 at 3:30am.

What is the solution for this?
The surface area of a sphere varies in direct proportion to the square of its radius. If a sphere of radius 6cm has a surface area of 452 square cm, find, to the nearest mm, the radius of a spherewith the surface area 1000 square cm.

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