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3. A 13 foot ladder is leaning against a building. The base of the ladder is 8
feet away from the building. What is the angle of elevation of the ladder?

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Erichanofficial

Answer:

A 13-ft ladder is leaning against a house when its base starts to slide away. By the time the base is 12 ft from the house, the base is moving at the rate of 5 ft/sec. a) How fast is the top of the ladder sliding down the wall then? b) At what rate is the area of the triangle formed by the ladder, wall, and the ground changing then?

Step-by-step explanation:

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