Question

circumfarnce of a circle whose radius is:
ii) 20 cm iii) 5 m
).2.1 cm​

Answer 1

Answer:

HOPE IT'S HELPFUL!!

Step-by-step explanation:

CIRCUMFERENCE =2$\pi$r=

1. 2ₓ22/7ₓ20=125⁵/₇

2. 2×22/7×5=31³/₇

3. 2ₓ22/7ₓ2.1 =⁹²⁴/₁₀ ˣ ¹/₇=13¹/₂