Question

(a) The diameter of a circle whose circumference is 22 Cm is -

(1) 3.5 cm.
( 2) 7 cm.
(3) 14 Cm.
(4) 12 Cm.
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Answer 1

( 2) 7 cm.

hope it's helpful to you...

Answer 2

$\bold{Answer:}$

Circumference of a circle = $\bold{2 \pi r}$

22 cm= 2 × 22/7 × r

22 × 7 /22× 1/2 = r

3.5 = r

diameter = 2 ×radius

.................= 2 ×3.5

...............7 cm.

So option 2 is the correct answer.