ayomide20 ayomide20

11-05-2017
Mathematics

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Calculate unknown sides and angles
Please need before 4oclock BST

Calculate unknown sides and angles Please need before 4oclock BST class=

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kitty420 kitty420

11-05-2017

The unknown side (PR) is 72 (42^2+58^2=5,128, square root of 5,128 which is 71.6, but rounds up to 72)
Angle Q is 90
(I don't have correct calculator for the other angles)
Angle P is 58/72=Answer, sin-1answer

Angle R is 42/72=Answer, sin-1answer

Answer Link

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