Question

A disc has a radius of 31 cm. What is the circumference of

the disc, rounded to the nearest whole number? (Convert the
fraction to a decimal)

A.38 cm.
B.154 cm
C.22 cm
D.11 cm

Answer 1

22 cm

Explanation:

radius is 3 1/2 cm, which is 3.5 in decimal form

the circumference comes out to be 21.99, which is rounded to 22.