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


The area of is . The length of side is in. Find the length of side .

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.

Triangle, J K L, labeled as follows: Bottom side, J L, 12 inches, angle, L, 36 degrees, dashed segment from top vertex, K, perpendicular to bottom side