Question

What is the height of a triangle with a base of 7 feet and an area of 31.5 square feet?

Answer 1

well the area formula is

\[A = \frac{1}{2} \times base \times height\]

so substituting you know

\[31.5 = \frac{1}{2} \times 7 \times height\]

solve for height

Answer 2

9