Answer:

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Verified answer

Answer:

A = 18.5°,c = 20, C = 90°, a = ?, B = ?, b = ?

a = c sin A

a = 20 sin 18.5°

a = 20(0.317304656)

a = 6.346093128

≈ 6.35

b = c cos A

b = 20 cos 18.5°

b = 20(0.948322655)

b = 18.9664731

≈ 19

B = 90° - A

B = 90° - 18.5°

B = 71° 30'

Hope this helps. ^^