If the circumference of a circle is 220 cm, then what is its radius ?
Answer & explanation
Correct answer: option 3
We know that,
Circumference of a circle = 2 π R
Circumference = 220 cm
= 2 π R = 220
= 2 × \(\frac{22}{7}\) × R = 220
= R = 5 × 7 = 35 cm