Question

Application: Dana is planning to ride her bicycle around the circular race track and wants to know the distance. If the diameter of the track is 2 mile, how far is the distance around the race track?

Answer 1

6.2831853071795864miles

~6.283

Explanation:

Circumference of a circle=2πr

=2π×½×2mile

2×π×1mile

=6.2831853071795864miles

~6.283

Or, πd

=π×2miles

=6.2831853071795864miles

~6.283