The circumference of a circle whose radius is 3.5 cm is ________ cm.
Circumference of a circle = 2πr
= 2× 22/7 × 3.5
= 22 cm
Find the radius and area of a circle, whose circumference is :
(i) 132 cm
(ii) 22 m
If the circumference of a circle exceeds its diameter by 180 cm, then find its radius in cm.