Ho To Measure For Curtains Ho We Can Measure Area Of Circle ,are Of Rectangle?

Ho we can measure area of circle ,are of rectangle? - ho to measure for curtains

Ho, we can measure the area of a circle is a rectangle?

SOLUTIO:

Area of circle = pi * r * r

or Vsits http://www.mathgoodies.com/lessons/vol2/ this site ...

Area of the rectangle = L * W

or Vsits this site
http://www.mathopenref.com/rectanglearea ...