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10 February, 11:53

ABC is a right triangle with right angle at ∠B.

AB=29 cm

CB=38 cm

What is the measure of ∠C, to the nearest degree?

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Answers (2)
  1. 10 February, 11:59
    0
    We have to calculate AC (hypotenuse):

    AC² = 29² + 28²

    AC² = 841 + 1444

    AC² = 2285

    AC = √2285

    AC = 47.8

    And for the angle C:

    cos C = Adjacent / Hypotenuse

    cos C = 38 / 47.8

    cos C = 0.794979

    ∠ C = cos ^ (-1) 0.794979

    ∠ C = 37.35° ≈ 37°

    Answer: ∠ C = 37°.
  2. 10 February, 12:10
    0
    The Answer is A. 38 degrees
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