Neal D. answered • 09/05/16

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SA = 4Πr

^{2} 46Π = 4Πr

^{2}Solve this equation for r

46 = 4r

^{2}Divide both sides by Π 46/4 = r

^{2}Divide both sides by 4**√(23/2) = r**

Abbi P.

09/05/16