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3 August, 21:21

In triangle ABC, angle C is a right angle. Find the remaining sides and angles. Round your answers to the nearest tenth.

angle b = 17.2 degrees, b = 8.3

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  1. 3 August, 21:48
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    Tan (17.2) = 8.3 / a

    side a = 8.3 / tan (17.2)

    side a = 8.3 / 0.30955

    side a = 26.8131158133

    Angle A = 180 - 90 - 17.2

    Angle A = 72.8°

    sin Angle A = side a / side c

    side c = side a / sin (72.8)

    side c = 26.8131158133 / 0.95528

    side c = 28.0683316026
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