Basics
Area
Circumference
Arc Length
Sector Area
100
What is straight line from the center of a circle to a point on the circumference?
radius
100

What is the area of a circle with a radius of 2 inches?

Use 3.14 and round to the tenths

12.6 inches²

100

A circle has a radius of 6 cm. What is the circumference?

Use 3.14 and round to the tenths

37.7 cm.

100

If a circle has a radius of 4 inches, what is the arc length formed by a central angle of 90 degrees?

Use 3.14 and round to the tenths

6.3 inches

100

If a circle has a radius of 5 inches, what is the sector area formed by a central angle of 90 degrees?

Use 3.14 and round to the tenths

19.6 inches²

200
What is the distance around the edge of a circle called?
circumference
200

What is the area of a circle with a radius of 6 cm.?

Use 3.14 and round to the tenths

113.0 cm.²

200

A circle has a radius of 2 inches. What is the circumference?

Use 3.14 and round to the tenths

12.6 inches

200

If a circle has a radius of 5 inches, what is the arc length formed by a central angle of 90 degrees?

Use 3.14 and round to the tenths


7.9 inches

200

If a circle has a radius of 9 inches, what is the sector area formed by a central angle of 90 degrees?

Use 3.14 and round to the tenths

63.6 inches²

300
What is a straight line through the center of a circle to two points on the circumference?
diameter
300

What is the area of a pizza with a radius of 7 inches?

Use 3.14 and round to the tenths

153.9 inches²

300

What is the circumference of a bike tire with a radius of 10 inches?

Use 3.14 and round to the tenths

62.8 inches

300

If a circle has a radius of 10 cm., what is the arc length formed by a central angle of 45 degrees?

Use 3.14 and round to the tenths

7.9 cm.

300

If a bike tire has a radius of 15 inches, what is the sector area formed by a central angle of 100 degrees?

Use 3.14 and round to the tenths

196.3 inches²

400
What is a portion of the circumference of a circle?
arc
400

What is the radius of a pie with an area of 78.5 cm2?

Use 3.14 and round to the tenths

5 cm

400

What is the circumference of a pizza that has a radius of 8 inches?

Use 3.14 and round to the tenths


50.2 inches

400

If a circle has a radius of 6 inches, what is the arc length formed by a central angle of 70 degrees?

Use 3.14 and round to the tenths

7.3 inches

400

If a cookie has a radius of 4 cm., what is the sector area formed by a central angle of 180 degrees?

Use 3.14 and round to the tenths

25.1 inches²

500
What is a shape enclosed by two radii and the arc between them?
sector
500

What is the diameter of a circle that has an area of 314 in2?

Use 3.14 and round to the tenths

20 inches

500

If a circle has a circumference of 44 cm., what is its diameter? Rounded to the nearest whole number.

14 cm.

500

If a circle has a diameter of 4 inches, what is the arc length formed by a central angle of 90 degrees?

Use 3.14 and round to the tenths

3.1 inches

500

If a circle has a diameter of 8 inches, what is the sector area formed by a central angle of 90 degrees?

Use 3.14 and round to the tenths

12.6 inches²

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