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The surface area of sphere T is 452.16 units squared. The surface area of sphere X is 1,808.64 units squared. How many times larger is the radius of sphere X than the radius of sphere T?

A) 2

B) 3

C) 4

D) 5

pwolfey  Nov 2, 2017
 #1
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+1

Ratio  =

 

square root [ 1,808.64 / 452.16 ]  =  square root [ 4 ]  =   2

 

 

cool cool cool

CPhill  Nov 3, 2017
edited by CPhill  Nov 3, 2017

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