2 years ago

In the triangle below.

Mathematics

1 answer:

Sergeu [11.5K]2 years ago

7 0

Answer:

(1) 36.6 feet

Step-by-step 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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