Math for grade 9

Question

What is the height of a triangle that has a base of 8 inches in an area of 28 in.²?

Answer 1

Use the equation Area = 1/2(base)(height) and plug in 28 for the area and 8 for the base, then solve for the height.

A = 1/2(b)(h)

28 = 1/2(8)(h)

28 = 4h

h = 7