Find the area of a circle whose circumference is 31.4 centimeters?
Find the area of a circle whose circumference is 31.4 centimeters?
Explanation
Circumference =2πr.
∴2πr=31.4.
2×3.14×r=31.4.
r=5cm.
Area =πr2.
Area =3.14×(25)2
=78.5cm2.
Circumference =2πr.
∴2πr=31.4.
2×3.14×r=31.4.
r=5cm.
Area =πr2.
Area =3.14×(25)2
=78.5cm2.