Question

Pentagonal prism B is the image of pentagonal prism A after dilation by a scale factor of 22. If the surface area of pentagonal prism B is 40 m^2

2
, find the surface area of pentagonal prism A, the preimage.

Answer 1

Answer: 10 m^2

Step-by-step explanation:

40= x * 2^2

40= x * 4

40/4 = 4x/4

10= x

SA of preimage= 10m^2