SOLUTION: If the distance between consecutive fence posts is 5 meters, what is the number of posts needed to build a fence around a triangular region with sides 20 m, 20 m, 30 m?

Question 1173729: If the distance between consecutive fence posts is 5 meters, what is the number of posts needed to build a fence around a triangular region with sides 20 m, 20 m, 30 m?
Answer by ikleyn(52812) (Show Source): You can put this solution on YOUR website!
.


The perimeter is  20 + 20 + 30 = 70 meters.


The number of intervals between the posts is  70/5 = 14.


Since the contour is the closed line, the number of posts is equal to the number of the intervals between the posts.


ANSWER.  14 posts.

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