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23 September, 15:38

If g = 77 cm and h = 85 cm, what is the length of f?

A.

36 cm

B.

39 cm

C.

115 cm

D.

33 cm

+3
Answers (1)
  1. 23 September, 16:45
    0
    Using the the Pythagorean theorem, the answer is C. 115 cm

    Here's how you solve it:

    (77^2) + (85^2) = f^2

    5929+7225 = f^2

    13154 = f^2

    f = √ 13154

    f = 114.69

    f ≈ 115
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