Worked example: area between curves ... The area between the graphs of functions ƒ and g can be found by taking the definite integral of ƒ-g (suppose ƒ is above ...
Area of a circle ... The area of a circle is pi times the radius squared (A = π r²). Learn how to use this formula to find the area of a circle when given the ...
Areas below the x-axis are negative and those above the x-axis are positive. If you are integrating from 0 to 2*pi and getting a result of 0, then half of the ...