Question

What is the circumference of the circle if the radius is 121 cm?

(a) 760.00 cm

(b) 765.57 cm

(c) 750.57 cm

(d) 760.57 cm

I had been asked this question in quiz.

The doubt is from Perimeter and Area of a Circle topic in division Area Related to Circles of Mathematics – Class 10

Answer 1

The correct option is (d) 760.57 cm

The best I can explain: The circumference of the circle (C) = 2πr

C = 2 × \(\frac {22}{7}\) × 121

A = 760.57 cm