
Mark M. answered 07/27/22
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
Use Law of Cosines
202 = 102 + 122 - (2)(10)(12) cos θ
Area = (0.5)(10)(12) sin θ
Harris S.
asked 07/27/22Find the angle opposite the longest side. (Round your answer to one decimal place.)
Find the area of the triangle. (Round your answer to one decimal place.)
Mark M. answered 07/27/22
Mathematics Teacher - NCLB Highly Qualified
Use Law of Cosines
202 = 102 + 122 - (2)(10)(12) cos θ
Area = (0.5)(10)(12) sin θ
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