Question

how to find area of circle on a graph paper with radius 2 centimetres

Answer 1

the area of circle is equal to =>
=> πr²
(π=22/7) value of pi
the radius is given 2cm.
then, by using the formula
>> 22/7×(2)²
>> 22/7×4=12.57

Answer 2

Area of a circle =
$\pi \: r {2}$
therefore 22/7*4=88/7=12.57