Question

A right square pyramid has a surface area of 80 m. If the lengths of the sides of the base and the slant height of the pyramid are multiplied by 5, what is the surface area of the new cone?

A.2000 m
B.1600 m
C.800 m
D.400 m

Answer 1

2000

Explanation:

Answer 2

A: 2000

Explanation:

First you need to solve 5^2 (the scale factor multiplied by itself) or 25. Then multiply the new scale factor by the initial surface area, 80.

25*80= 2000