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3 years ago

Given: △PRS, RS=10 m∠P=45°, m∠S=60° Find: Perimeter of △PRS

Mathematics

1 answer:

Keith_Richards [23]3 years ago

3 0

The law of sines can be used to find the missing side lengths.

... RP = sin(60°)/sin(45°)·10 = 10√(3/2) ≈ 12.247

... PS = sin(75°)/sin(45°)·10 ≈ 13.660

Then the perimeter is

... perimeter = RS + RP + PS

... = 10 + 12.247 + 13.660 ≈ 35.91 . . . .units

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