algebra
posted by Armelia on .
the base of a triangle is 5cm greater than the height. The area is 33cm^2. What is the height and the length of the base?

33=x(x+5)
find x, the height, first.
x^2+5x33=0
use the quadratic equation
x=5/2 +1/2 sqrt (25+132)
= 2.5+1/2 sqrt157
ignore the negative answer.