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21-12-2020
Mathematics

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Suppose a 15-foot ladder is leaning against a building, reaching to the bottom of a second-floor window 11 feet above the ground. What angle, in radians, does the ladder make with the building? (Round your answer to two decimal places.)

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21-12-2020

Answer:

Angle in radian = 0.75

Step-by-step explanation:

Given:

Height = 11 ft

Hypotenuse = 15 ft

Find:

Angle in radian

Computation:

Cosθ = Height / Hypotenuse

Cosθ = 11/ 15

Angle in radian = 0.75

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