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27 November, 09:49

A rectangular prism is 3 meters long, 4 meters wide, and has a total surface area of 94 square meters. What is its height?

3 m

4 m

5 m

6 m

+4
Answers (1)
  1. 27 November, 10:14
    0
    S = 2lw + 3lh + 2wh

    94 = 2 (3) (4) + 2 (3) (h) + 2 (4) (h)

    94 = 2 (12) + 2 (3h) + 2 (4h)

    94 = 24 + 16h + 8h

    94 = 24 + 14h

    - 24 - 24

    70 = 14h

    14 14

    5 = h

    The answer is C.
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