The base of a triangle is four times it’s height. If the area of the triangle is 162 square kilometers find the base and height.

Question

The base of a triangle is four times it’s height. If the area of the triangle is 162 square kilometers find the base and height.

Answer 1

bh/2 = 162

b = 4h

4h(h)/2 = 2h^2 = 162

h^2 = 162/2 = 81

h = sqr81 = 9 kilometers

b = 4h = 36 kilometers