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In the triangle below.

In the triangle below.-example-1

1 Answer

6 votes

Answer:

(1) 36.6 feet

Explanation:

m∡Q = 180-(90+55) = 35

sin 35°/21 = sin 90°/PQ

cross-multiply to get:

21 = sin35·PQ

21/sin 35 = PQ

PQ = 36.6

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