Question

what is the formula of :

1) Area of the circle.
2) Area of the semi-circle.
3) Area of the quadrant.​

Answer 1

Answer:

1.πr2

2.1/2(πr2)

3.(Пr2)/4.

hope it was helpful : ) : ) : )

Answer 2

Answer:

1.Area of the circle=πr^2

2.Area of the semi-circle= pi * r^2/2.

3.Area of the quadrant=(Пr2)/4