Posted by Chad on Monday, March 1, 2010 at 10:21pm.
The base of a triangle is 3m longer than the height. Find the base if the area of this triangle is 77m^2.

Math  PsyDAG, Tuesday, March 2, 2010 at 10:11am
Area = 1/2 base * Height
Base = height  3
77 = 1/2 (height  3)(height)
Solve for height and put that value into the second equation. Check by putting both values into the second equation.