Solving the Unit Circle: Calculating Integral Area

[kahlan]

hello
there
hi everybody
just i have been taken my final exam for calculus one CALCULUS I

there was one qeustion which i was confouse while i was reading it


Set up the intgeral area of unit circle?

 

[tiny-tim]

hello kahlan!

do you mean set up an integral to find the area of a unit circle?

either slice the circle into horizontal slices of height dy, or into rings of thickness dr