Circles Jeopardy Geometry

Area

100

What is the area of a circle with radius=6m?

Leave in pi form.

36pi m²

200

What is the area of a circle with radius = 1.5m?

Round to 3 decimal places.

7.065 m²

300

What is the area of a circle with diameter = 11m?

Round to 2 decimal places.

94.99 m²

400

What is the area of a circle with diameter = 2.5m?

Round to 3 decimal places.

4.906 m²

500

If the area of a circle is 115 m² what is the radius of the circle? Round to 2 decimal places.

Radius = 6.05 m

Circumference

100

What is the circumference of a circle with diameter = 11 m? Leave in pi form.

11pi m

200

What is the circumference of a circle with diameter = 100.6 m? Round to 3 decimal places.

315.884 m

300

What is the circumference of a circle with radius = 16 m? Leave in pi form.

32pi m

400

What is the circumference of a circle with radius = 12.15 m? Round to 2 decimal places.

76.302 m

500

The circumference of a circle =105m. What is the diameter? Round to 3 decimal places.

33.439 m

Area of Sectors

100

What is the area of a sector in a circle with radius =12 m and central angle = 30 degrees? Leave in pi form.

12pi m²

200

What is the area of a sector in a circle with radius = 3 m and central angle = 45 degrees? Leave in pi form.

9pi/8 m²

300

What is the area of a sector in a circle with diameter = 11 and central angle = 20 degrees? Round to 2 decimal places.

5.28 m²

400

What is the area of a sector in a circle with diameter = 50 m and central angle = 120 degrees? Leave in pi form.

625pi/3 m²

500

The area of a circle is 55 m². The area of a sector in the circle is 13.75 m². What is the measure of the central angle in degrees?

90 degrees

Arc Length

100

What is the arc length of a circle with diameter = 92 m and a central angle of 35 degrees? Round to two decimal places.

28.09 m

200

What is the arc length of a circle with diameter = 29 m and a central angle of 160 degrees? 

40.47 m

300

What is the arc length of a circle with radius = 43 m and a central angle of 14 degrees? Leave in pi form.

10.5 m

400

What is the arc length of a circle with radius = 39 m and a central angle of 100 degrees?

68.03 m

500

If the arc length of a circle = 12 m and the circumference of that circle = 72 m what is the measure of the central angle in degrees?

60 degrees

Similarity

100

One circle has a radius of 4 and another of 12, what is the scale factor from the smaller circle to the larger circle?

1/3

200

Solve the proportion x/3 = 6/9

2

300

Solve the proportion x/5 = 3/10

1.5

400

Solve the proportion (x + 2)/10 = 4/5

6

500

Solve the proportion (x + 1)/x = 5/6

-6