Question

The Diameter of a circle whose circumference is 22cm is -

(i) 3.5 cm
(ii) 7 cm
(iii) 14 cm
(iv) 12 cm
​

Answer 1

Answer:

circumference of a circle = 2×22/7×r

*where ' r ' is radius of the circle.

2×22/7×r= 22

r= 22×7/22×2 =7/2

Diameter=2r

=2×7/2

=7cm

So, (ii) is correct