Radius/Diameter
Circumference - Radius
Circumference - Diameter
Circumference in words
Vocabulary
100

If the radius is 5 what is the DIAMETER?

10

100

Find circumference: When radius = 5  

31.4

100

What is the circumference of a circle with the diameter of 2?  

6.28

100

Adrian decided to run around a circle pond measures that measured 89 yards all around and has a diameter of 28.3 yards. What is the circumference?

89 yards

100

What is a Diameter

The distance from one side of the circle to the other side straight through the center

200

If the diameter is 23 what is the RADIUS?

11.5

200

Find Circumference when Radius - 10 

62.8

200

What is the circumference of a circle with a diameter of 4?

12.57

200

Tyler cut a circular table in half. The distance from edge to edge of the cut part is 3 feet. What was the circumference of the table before it got cut in half?

9.42 feet

200

What is a radius

half of the diameter. the distance from the center to the side of the circle

300

If the radius is 56.35 the DIAMETER is?

112.7

300

Find Circumference when Radius = 25  

157.1

300

What is the circumference of a circle with a diameter of 14? 

43.98

300

What is the circumference if the Diameter is 1 inch?

3.14 in

300

What is circumference?

The distance of the outside of the circle

400

If the radius is 45.28 what is the DIAMETER?

90.56

400

Find Circumference when Radius = 50  

315.2

400

What is the circumference of a circle with a diameter of 22? 

69.12

400

Yarmani's motorcycle tire is 17 inches in diameter. What is the circumference of his tire? 

53.38 in

400

What is the formula for finding the circumference using diameter?

C= pi x d 

or

C= 3.14 x d


500

If the diameter is 50.684 what is the Radius?

25.342

500

Find Circumference when Radius = 75 

471.2 

500

What is the circumference of a circle with a diameter of 100? 

314.16

500

Zarif uses a plastic edging to create the border of a circular vegetable garden in his yard. From the center of the garden to the edge measures 7 meters. What's the distance all around the garden?

21.98 meters

500

What is the formula for finding the circumference using the radius?

C = 2 x pi x r

or 

C= 2 x 3.14 x r