Ask Question
19 March, 15:11

Area the radius, r, of a circle is decreasing at a rate of 3 centimeters per minute. find the rate of change of area, a, when the radius is

+2
Answers (1)
  1. 19 March, 15:26
    0
    A = pi r^2

    dA/dr = 2 pi r

    dr/dt = - 3 (given)

    rate of change of the area = dA/dt = dA/dr / rd/dt = 2 pi r / - 3 = - 2/3 pi r
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Area the radius, r, of a circle is decreasing at a rate of 3 centimeters per minute. find the rate of change of area, a, when the radius is ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers