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25 September, 10:23

The area of ΔABC = 14 ft2. If side a = 5 ft and angle C = 53°, find the measure of side b. Round your answer to the nearest tenth.

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  1. 25 September, 12:44
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    Area of triangle = (1/2) * a*b*sin (C)

    14 = (1/2) * 5*b*sin (53)

    14 = (1/2) * 5*sin (53) * b

    14 = 1.99658877511823*b

    b = 14/1.99658877511823

    b = 7.01195968567488

    b = 7.0

    Side b is roughly 7.0 ft
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