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24 January, 21:46

A ladder is resting against a wall. The ladder and the ground make and angle of 45° and the ladder is 7 ft from the wall. How long is the ladder

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Answers (2)
  1. 24 January, 23:10
    0
    Let's assume the ladder's long as x

    sin 45 = 7/x

    1/2^0.5 = 7/x

    x = 7*1.414

    x = 9.9 m

    so long of the ladder is 9.9 m
  2. 24 January, 23:21
    0
    The ladder is about 12 ft. long.
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