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1. What formula will you use to find the circumference of a circle if the given is radius?
A. l x w
B. π x d
C. 2πr
D. π x r

2. What is the circumference of a circle if the radius is 3 m?

A. 15.26m
B. 16.87m
C. 18.84m
D. 22.46m

3. Find the circumference of a jar whose radius is 9 cm?

A. 63.48cm
B. 61.54cm
C. 56.52cm
D. 58.56cm

4. A motorcycle tire has a diameter of 46 cm. Find the distance around the tire.

A. 128.62cm
B. 136.40cm
C. 138.80cm
D. 144.44cm

5. Ms. Perez plans to install a border of new tiling around the circumference of her circular spa. If her spa has a diameter of 6 meters, find its circumference.

A. 18.84m
B. 18.62m
C. 16.24m
D. 16.12m

PLEASE TAKE THIS SERIOUSLY