Spanish, 29.04.2021 22:00, Weser17

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/dec. (6 mark)
a) How fast is the top of the ladder sliding down from the wall then?
b) At what rate is the area of the triangle formed by the ladder, wall, and ground
changing then?

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A 13 ft ladder is leaning against a house when its base starts to slide away. By the time the base...