MathematicsPlane Trigonometry

Plane Trigonometry – Problem 1

A triangular lot was surveyed with a steel tape and found to have the following side lengths, 23.56m., 38.54m., and 33.40m. Determine the angle opposite the 38.54m. side.
    1. 71.24°
    2. 83.24°
    3. 56.27°
    4. 48.17°

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