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Can someone pls help me with this I have no clue what I’m supposed to be doing

Can someone pls help me with this I have no clue what I’m supposed to be doing-example-1

1 Answer

13 votes

Given this is a right triangle

85^2 = 7225

84^2 = 7056

85^2 - 84^2 = 169 = 13^2

Sin QR / QP = sin 84 / 85 = 81.2 deg

User Venantius
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