Circle Vocab
Finding Radius
Finding Diameter
Finding Circumference
Finding Area
100
The distance from the center of a circle to the outside, also half of the diameter
What is radius
100

The Diameter of this circle is 5 mi

What is 2.5 mi

100

The radius of this is 5 mi

What is 10 mi

100

The diameter for this circle is 10 in

What is 31.4 in

100

The radius of this circle is 2 in

What is 12.56 in

200

The line through the entire circle, through the middle.

What is the Diameter

200

The diameter is 12 in

What is 6 in

200

The radius of this circle is 2.5 km

What is 5 km

200

The diameter for this circle is 13 cm

What is 40.82 cm

200

The radius of this circle is 3 cm

What is 28.26 cm

300

The perimeter of the circle.

What is the circumference?

300

The diameter of this circle is 27 cm

What is 13.5 cm

300

The circumference of this circle is 15.7 in

What is 5 in

300

The diameter of this circle is 25 km

What is 78.5 km

300

The radius of this circle is 21 mi

What is 1384.74 mi

400
The total amount of space inside of a circle
What is the area?
400

The circumference of this circle is 437 mm

What is 69.59 mm

400

The circumference of this circle is 18.84 yd

What is 6 yd

400

The radius for this circle is 45 mm

What is 282.6 mm

400

The diameter of this circle is 15 km

What is 176.63 km

500
3.14
What is pi?
500

The circumference of this circle is 32.5 km

What is 5.18 km

500

The circumference of this circle is 194.68 cm

What is 62 cm

500

The radius for this circle is 25 yd

What is 157 yd

500

The diameter of this circle is 22 in

What is 379.94 in

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