Right triangle ABC has its right angle at A. Leg AB is decreasing at a constant rate of 3 cm/min. Leg AC is increasing at a constant rate of 4 cm/min. How is the hypotenuse BC changing at the moment when AB=12 and AC=5?

Question

anonymous · Answer

I am posting answers, simply because I've asked multiple people and we've all gotten it wrong:

A. Decreasing at 16 cm/min
B. Decreasing at 16/13 cm/min
C. Not Changing
D. Increasing at 33/13 cm/min
E. Increasing at 16 cm/min

radar · Answer

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