SOLUTION: The height of a triangle is 6 cm less than the base. The area is 56 cm^2. Find the height.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: The height of a triangle is 6 cm less than the base. The area is 56 cm^2. Find the height.      Log On


   

Question 677267: The height of a triangle is 6 cm less than the base. The area is 56 cm^2. Find the height.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Hint:

Solve

56 = (1/2)*(b*(b-6))

or

112 = b^2 - 6b

for b. Once you have b, plug it into h = b-6 to find the height.