Mr. Sprout built a fence around his garden so it formed a square with ten fence posts on each side. How many fence posts did he need?

1 Answer
Nov 25, 2015

(Unless there is a trick) It's really simple, 40.

Explanation:

This is because a square has 4 sides. On each side of this square garden, he placed 10. SO with 10 on each side and there is 4 sides, he needed 40 fences to complete his fence.