Question

The base of an isosceles triangle in 7 cm longer than each of the legs. Find the legs if the perimeter of the triangle is 43 cm.

Answer 1

12cm

Explanation:

Let x be the leg of the given isosceles triangle.

Then, the base of isosceles triangle = x+7

Consider the perimeter of the isosceles triangle, we get

x+x+x+7=43

3x+7=43

3x=36

x=12

hope this helps