The Law of Sines

Question

To find the distance across a river, a surveyor chooses points A and B, which are 243 yds apart on one side of the river. She then chooses a reference point C on the opposite side of the river and finds that ∠BAC = 81° and ∠ABC = 51°

Approximate the distance from point A to point C.

distance =  ______ yds

Find the distance across the river.

height = ______  yd

Answer 1