We know that the formula for the area of a triangle is 1/2(base)(height). We are given the area (72 square inches) and the base (18 inches), so we can rearrange the formula to solve for the height:
area = 1/2(base)(height)
72 = 1/2(18)(height)
72 = 9(height)
8 = height
Therefore, the height of the triangle is 8 inches.
Answer: B. 8 in
A triangle has an area of 72 square inches. The base of the triangle is 18 inches. What is the height of the triangle?
A. 4 in
B. 8 in
C. 16 in
D. 27 in
1 answer