Ask Question
3 May, 17:38

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

+4
Answers (1)
  1. 3 May, 21:29
    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 you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers