Question

What is the circumference of a circle with a radius of 6.1 centimeters? Enter your answer as a decimal in the box. Use 3.14 for pi. Round your answer to the nearest tenth. cm

Answer 1

It is 38.308 or 38.3
:D

Answer 2

We must use a certain formula to find the circumference. The formula for circumference of a circle is:

C = 2 * pi × r

Substitute:

C = 3.14 × 6.1 × 2

C = 38.303

Round to the nearest tenth:

38.3.

ANSWER:

The circumference of the circle is about 38.3 centimetres.