### Home > PC > Chapter 1 > Lesson 1.2.2 > Problem 1-89

1-89.

The area of Δ*JKL* is 30 in^{2}. The length of side *JL* is 12 in. Find the length of side *KL*. Homework Help ✎

Label the height.

Since the area of the triangle is given. What is the area of any triangle?

Find h. Then find length KL by using the sine function.