Question

From the square shaped cardboard of 20 CM a circle is cut of radius 7 cm find the area of the remaining sheet of cardboard​

Answer 1

Answer:

ist find the area of square , I.e. side^2= 20^2=400cm2

then area of cricle, pie*r^2=153.86cm2

therefore remaining area of sheet= area of square -area of circle

= 246.14

cm2