Question

A positive triangle lake with a side length of 10m, each side should be planted with trees. Question: If the distance between the two trees is ≤ 5m, what's the MINIMUM number of trees needed?

Answer 1

Since we need to plant a minimum of trees on the sides of a regular triangle, this means that the distance between them should be as much as possible - 5 meters. Then we will have to plant trees at the following points:

We see that we need 6 trees.

ANSWER:we need 6 trees.