A triangular window has an area equal to 60% of a square window whose area is 150 m^2. If the base of the triangular window is 15 m, what is its height?
10 m
12 m
14 m
15 m
Correct answer: 12 m
Solution
The triangle's area is 60% of 150 = 90 m^2. Using (1/2)*15*h = 90 gives h = 12 m.