(Trigonometry) A 25-foot ladder leans against a building. The ladder's base is 13.5 feet from the building. Find the angle which the ladder makes with the ground.

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Question:

(Trigonometry) A 25-foot ladder leans against a building. The ladder's base is 13.5 feet from the building. Find the angle which the ladder makes with the ground.

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Here, in this situation, Hypotenuse = 25 feetbase = 13.5 feetNow, Cos Ф = B / HCos Ф = 13.5 / 25Cos Ф ≈ 1/2Ф = Cos⁻¹(1/2)Ф = 45  [ Cos 45 = 1/2 ]In short, Your Answer would be approximately 45 degreesHope this helps!

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