How fast is the area a of the triangle formed by the wall

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Reference no: EM13177735

A 17.28 foot ladder is leaning against a vertical wall. If the bottom of the ladder is being pulled away from the wall at the rate of 6 feet per second, how fast is the area A of the triangle formed by the wall, the ground, and the ladder changing at the instant the bottom of the ladder is 7.28 feet from the wall? I need help solving this.

Reference no: EM13177735

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