# 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

1. 👍 0
2. 👎 0
3. 👁 112
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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2. 👎 0
posted by Reiny

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