Topic 8.5 Circumference

What is the diameter?

• 100 mm

• 50 mm

• 25 mm

What is the exact circumference? (in terms of pi)

What is the radius?

• 10 ft

• 5 ft

• 20 ft

What is the approximate circumference? (use 3.14 for pi)

What is the radius?

• 9 in

• 4.5 in

• 18 in

What is the radius?

• 10 in

• 5 in

• 20 in

What is the circumference of a circle?

• the distance around a circle

• the area of a circle

• halfway through a circle

• a line through the center of a circle

Find the circumference of the circle.

• 18.8 cm

• 113 cm

• 37.7 cm

• 452.2 cm

Find the circumference of the circle.

• 14.13 cm

• 63.56 cm

• 28.26 cm

• 127.17 cm

If my radius is 2 yd what is the circumference?

• 4 yd

• 1 yd

• 12.56 yd

• 6.28 yd