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5 August, 03:58

A 12 ft. ladder is being placed against a 10 ft.

wall. At what angle of elevation should the

ladder be placed so that the top of the ladder

touches the top of the wall?

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Answers (1)
  1. 5 August, 05:59
    0
    Step-by-step explanation:

    Height of wall = 10ft

    Length of ladder = 12ft

    Angle of elevation be x

    Sin x = opp/hyp

    Sin x = wall height/length of ladder

    Sin x = 10/12

    Sin x = 0.83

    X = Sin-¹ (0.83)

    X = 56.44°
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