3. use different representations for it to calculate the
circumference of a circle.
a. calculate the circumference of a circle with a diameter
of 4.5 centimeters and a circle with a radius of 6 inches.
round your answer to the nearest ten-thousandths,
if necessary.
value for
d= 4.5 centimeters
r= 6 inches
use the key
on a calculator
use 3.14 for a
use 22 for 1