In ΔJKL, the measure of ∠L=90°, the measure of ∠J=9°, and KL = 49 feet. Find the length of JK to the nearest tenth of a foot.
![In ΔJKL the measure of L90 the measure of J9 and KL 49 feet Find the length of JK to the nearest tenth of a foot class=](https://us-static.z-dn.net/files/d7e/b007ae43f2775e2491e89a7878949390.png)
Answer:
in triangle KLJ
relationship between perpendicular and hypotenuse is given by sin angle
sin9°=p/h
sin9=KL/KJ
sin9=49/x
x=49/sin9=313.2
the length of JK to the nearest tenth of a foot is 313ft