Mathematics, 15.02.2020 04:22 727

Using the Law of Cosines, in triangle QRP, if p= 28 km, q= 17 km, r= 15 km, find the measure of angle R.

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Using the Law of Cosines, in triangle QRP, if p= 28 km, q= 17 km, r= 15 km, find the measure of angl...

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