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19 April, 01:54

1) A 30-ft. ladder leans against a wall so that the base of the ladder

is 10 ft. from the base of the wall. What angle does the ladder

make with the ground?

A) 70.5

B) 19.5

C) 18.4

D) 33.3

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Answers (1)
  1. 19 April, 05:02
    0
    A) 70.5

    Step-by-step explanation:

    cos x = adjacent side / hypotenuse

    cos x = 10 / 30

    cos x = 0.3

    cos 70 = 0.3420

    cos 71 = 0.3256

    x = 70.5
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