Question

Find the circumference of a circle of radius 5 cm.

• A. $10\pi$ cm
• B. $5\pi$ cm
• C. $20\pi$ cm
• D. $15\pi$ cm

Answer 1

The correct option is A $10\pi$ cm

Lets draw a circle of radius 5 cm.


As we know,
Circumference of a circle $=2\pi r=2\pi \times 5=10\pi$ cm

Option (a) is correct.