Question

The circumference, or perimeter, of a circle can be found by multiplying its diameter by 3.14. What is the circumference of a circle that has a diameter of 1\2 inch?

Express your answer as a decimal.

Answer 1

The answer to your question is 1.57

Answer 2

C=πd

π≈3.14
------------

If d=1/2 inches

C=(1/2 inches)*π

=1/2π inches