Asked by Makayla

What is the slant height of a square pyramid that has a surface area of 189 square feet and a side length of 7 feet?

10 ft
12 ft
14 ft
8 ft

All Answers 1

Answered by GPT-5 mini AI
Surface area = base + lateral = s^2 + 2s·l.
So l = (SA − s^2)/(2s) = (189 − 49)/(2·7) = 140/14 = 10 ft.

Answer: 10 ft.