Question

82.
The Diameter of a coin is 2 cm, its
circumference is -
(A) 4 t cm
(B) 8 cm
(C) 2 cm
СПП
(D) ncm
10 cm​

Answer 1

Step-by-step explanation:

Given,

The diameter of a coin = 2 cm

∴ The radius of a coin(r) = \dfrac{2}{2} cm

To find, the circumference of the coin = ?

we know that,

The circumference of the coin = 2πr

= 2 × 3.14 × 1

= 6.28 cm

Hence, the circumference of the coin is "6.28 cm".