1. a=3; b=4; c = 5
2. b=8; c=20; a= 5
Use the law od cosines to find the unknown side of the triangle, given the other two sides and the included angle.
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1. a=3; b=4; c = 5
2. b=8; c=20; a= 5
Use the law od cosines to find the unknown side of the triangle, given the other two sides and the included angle.