math
posted by Frank on .
The base of a triangle is 5cm greater than the height. The area is 52cm^2. Find the height and length of the base.

area=1/2 b h
52=1/2 (h+5)h
multipy it out, solve for the quadratic
104=h^2+5h
h^2+5h104=0
use the quadratic equation.