Set up an equation and solve the problem. The area of a triangle is 40.5 square feet. If one side of the triangle and the altitude to that side are of equal length, find the length.
A) 10 feet
B) 9 feet
C) 11 feet
D) 8 feet
E) none of these

Question

Quizplus · Accepted Answer

The area of a triangle is given by the formula: Area = 0.5 * base * height. Here, the base and height are equal, so let x be the length of both. The equation becomes 0.5 * x * x = 40.5. Solving for x, we get x^2 = 81, so x = 9 feet.

Set Up an Equation and Solve the Problem