Question

A store manager sets up a cardboard display to advertise a new brand of perfume the display is a square peer amid whose base is 18 inches on each side.The height of each triangular face of the pyramid is 12 inches. How much cardboard was used to make the display?

Answer 1

This answer is most likely wrong, but this is what I had gotten.
Using the formula BxH divided by 2, I came up with an answer of 108.

Answer 2

1080

Explanation: