Question

The height of a triangle is decreasing at a rate of 1 cm/min while its area...

The height of a triangle is decreasing at a rate of 1 cm/min while its area is increasing at a rate of 2 cm^2/min.

(a) What is the base of the triangle when its height is 10 cm and its area is 100 cm^2?

(b) At what rate is the base of the triangle changing when its height is 10 cm and its area is 100cm^2?

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