Question

The lengths of the sides of the base of a right square pyramid and its slant height are doubled. What is the surface area of the larger pyramid divided by the surface area of the smaller pyramid?

A. 16
B. 8
C. 4
D. 2

Answer 1

C. 4.

Explanation:

The ratio of the lengths of the larger to the smaller is 2:1, because the lengths are doubled.

So the surface area of larger to smaller = 2^2 : 1 = 4 : 1.

Answer 2

C. 4

Explanation:

The dimensions are doubled [from 2 to 4], therefore you have your answer.

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