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Two sides of a triangle have lengths 3 and 4 ft. The angle between them is...

Two sides of a triangle have lengths 3 and 4 ft. The angle between them is increasing at a rate of 0.1 radian per minute. How fast the length of the third side is increasing when the angle between the sides of fixed length is 90o? Include unit in your answer.

90o = 90degrees
Math   Calculus   
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