Circle Vocab
Finding Radius
Finding Diameter
Finding Circumference
Finding Area
100

distance from the center of a circle to a point on the circle

radius

100

The diameter of a circle is 5 m.  What is the length of the radius?  

2.5 m

100

The radius of a circle is 1 m.  What is the length of the diameter?  

2 m

100

The diameter for a circle is 10 ft.  Find the circumference.  NEAREST HUNDREDTH 

31.41 ft

100

The radius for a circle is 10 ft.  Find the area.  NEAREST HUNDREDTH

314.16 ft2

200

distance from a point on a circle through the center to another point on the circle

diameter

200

The diameter of a circle is 2.4 m.  What is the length of the radius?  

1.2 m

200

The radius of a circle is 5 m.  What is the length of the diameter?  

10 m

200

The radius for a circle is 6.5 ft.  Find the circumference.  NEAREST HUNDREDTH 

40.82 ft

200

The diameter for a circle is 12 ft.  Find the area.  NEAREST TENTH

113.0 ft2

300

any line segment that connects two points on the circle  

chord

300

The diameter of a circle is 0.4 m.  What is the length of the radius?  

0.2 m

300

The radius of a circle is 2.4 m.  What is the length of the diameter?  

4.8 m

300

The diameter for a circle is 25 ft.  Find the circumference.  NEAREST TENTH

78.5 ft

300

The radius for a circle is 5 ft.  Find the area.    NEAREST HUNDREDTH

78.54 ft2

400

total amount of space inside of a circle

area

400

The diameter of a circle is 4/6 m.  What is the length of the radius?  

2/3 m

400

The radius of a circle is 2/3 m.  What is the length of the diameter?  

1 1/3 m

400

The diameter for a circle is 45 ft.  Find the circumference.  NEAREST TENTH

What is 282.6

400

The diameter for a circle is 2.4 ft.  Find the area.  NEAREST TENTH

4.5 ft2

500

distance around the outside of a circle

circumference

500

The diameter of a circle is 1/2 m.  What is the length of the radius?  

1/4 m

500

The radius of a circle is 1/2 m.  What is the length of the diameter?  

1 m

500

The radius for a circle is 1 ft.  Find the circumference.  NEAREST TENTH

6.28 ft

500

The radius for a circle is 2.6 ft.  Find the area.  NEAREST HUNDREDTH

21.24 ft2

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