Answer: The base of the triangle is 15 inches
Formula for area of a triangle: A = bh/2
Subsitute values into the formula:
150 = b(20)/2
Now solve for b
150 = b20/2
x 2 x2
--------------------
300 = b20
300/20 = b20/20
15 = b
The base of the triangle is 15 inches