Calculate Circle Radius: Using Given Circumference Measurement

Question

Calculate the radius using the circumference given in the figure:

00:00 Find the circle's radius (R)

00:04 Use the formula for calculating circle circumference

00:09 Substitute appropriate values according to the given data and calculate to find the radius

00:15 Isolate radius R

00:27 Multiply by the reciprocal

00:44 Substitute the value of pi and calculate to find radius R

01:04 And this is the solution to the question

0.009