Question

A triangular prism has a surface area of 486 in.2
. If it were dilated using a scale factor of 13
, what would the new surface area be?(1 point)
Responses

1,458 in.2

1,458 in. squared

18 in.2

18 in. squared

162 in.2

162 in. squared

54 in.2

54 in. squared

Answer 1

Scale factor = 1/3, so area scale factor = (1/3)^2 = 1/9.
New surface area = 486 ÷ 9 = 54 in.^2.

Answer: 54 in.^2