Question

Find the unknown measures. around lengths to the nearest hundredth and angle measures to the nearest degree.

Answer 1

choice 3)

JK = 3.51

WK = 9.15

∠J = 69°

Explanation:

sin 21° = JK/9.8

0.3584 = JK/9.8

cos 21° = WK/9.8

0.9336 = WK/9.8

WK = 9.15

∠J = 90° - 21° = 69°