A triangle has sides A, B, and C. Sides A and B have lengths of 5 and 3, respectively. The angle between A and C is (11pi)/24 and the angle between B and C is (5pi)/24. What is the area of the triangle?

1 Answer
Jim G.
Jun 21, 2017

"area "~~12.99" square units"

Explanation:

"the area of this triangle can be calculated using"

• " area "=A.B.sin("angle between A and B")

"angle between A and B " = pi-((11pi)/24+(5pi)/24)=pi/3

rArr"area "=5xx3xxsin(pi/3)~~12.99" square units"

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