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3 years ago

13

In a triangle, PQR, Q= 72 degree, R= 32 degree and PR= 12. find PQ.

1 answer:

tia_tia [17]3 years ago

8 0

Answer:

PQ=6,69 units

Step-by-step explanation:

b/Sin32°=c/Sin72°

PQ/Sin32°=12/Sin72°

PQSin72°=12Sin32°

PQ=12Sin32°/Sin72°

PQ=6.69 units

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