I have the answer can someone please check me
the radius of a circle is increasing at a rate of 0.2 meters per second. What is the rate of increase in the area of the circle at the instant when the circumference of teh circle is 20pie meters?

Question

I have the answer can someone please check me
the radius of a circle is increasing at a rate of 0.2 meters per second. What is the rate of increase in the area of the circle at the instant when the circumference of teh circle is 20pie meters?

asnaseer · Answer

please show your steps so I can check if you have done it correctly

anonymous · Answer

20*0.2=4pie   m^2/sec

asnaseer · Answer

where did the "pie" appear from?

anonymous · Answer

look in the problem 20pie

asnaseer · Answer

Ah! of course! then yes your answer is correct