Question

The circumference of 2.1 cm
Circle

Answer 1

Answer:

C of a circle = 2.1

2πr = 2.1

r = 2.1/2π

(2.1 × 7)/22 ×2

14.7/44

0.33 cm (approx.)

radius = 0.3 cm ( approx.)

Answer 2

Answer:

circumference=2πr

r=2.1,

c= 2×22/7*21/10

13.2ans