Find the circumference of the circle, whose area is 144 cm2.
12π cm
46π cm
24π cm
72π cm
Area of the circle = πr2 = 144π
⇒ r = 12 cm
Circumference of circle = 2πr = 24π cm
Find the area of a circle whose circumference is 8π.
Find the area of a circle whose circumference is 22 cm.