In △abc, m∠a = α, m∠b = β, m∠c = γ. ab = c, ac = b, bc = a. find the areas of the triangles if the following parts are given.
a=5, b=7, γ=31º

9514 1404 393

  9.01 square units

Step-by-step explanation:

The area of the triangle is given by the formula ...

  Area = 1/2ab·sin(C)

  Area = (1/2)(5)(7)sin(31°) ≈ 9.01 . . . . square units

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step-by-step explanation:

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