math

How long is a ladder whose base is 3 ft from a wall and makes an 80° angle with the ground?

Question 15 options:

10 ft


12 ft


14 ft


17 ft

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asked by josh
  1. Basic trig,
    if the length of the ladder is h ft

    3/h = cos 80°
    h = 3/cos80° = appr 17 ft

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    posted by Reiny

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