Circles, Circles, Circles!

Circle Terms

100

The distance from the center of a circle to the outside, also half of the diameter

What is radius

200

The longest part in a circle. From one edge to the other through the center. 

What is the Diameter

300

The distance around the circle.

What is circumference?

400

The total amount of space inside of a circle

What is the area?

500

3.14 or 22/7

What is pi?

Finding Radius

100

The Diameter of this circle is 6yds. What is the radius?

What is 3yds.

200

The diameter is 24in.  What is the radius?

What is 12in

300

The diameter of this circle is 27in. What is the radius?

What is 13.5in

400

The radius of this circle is 2.5in. What is the diameter?

What is 5 in

500

The radius of this circle is 23.07mm. What is the diameter?

What is 46.1mm

Finding Area & Circumference

100

The radius of this circle is 4cm .What is the area?

What is 50.24 square centimeters 

200

The radius of this circle is 3in. What is the area?

What is 28.26in²

300

The radius of this circle is 5mm. What is the area?

What is 78.5mm²

400

The diameter is 40yds. What is the circumference?

What is 125.66 yards

500

The diameter is 26.08cm. What is the circumference?

What is 81.93 centimeters 

Arc Length

100

What is the formula for Arc Length?

length = x(c) / 360

200

Arc Measure : 175 degrees

radius : 10 cm

30.53 cm

300

Arc Measure : 275 degrees

diameter : 25 ft

59.97 ft

400

Arc Measure : 55 degrees

Diameter : 35 in 

16.8 in

500

Arc Measure : 132 degrees

Radius : 25 ft

57.57 ft

Random

100

If you drop a yellow hat in the Red Sea, what does it become?

Wet

200

What has a head and tail, but no body?

A coin

300

Nobody empties me, but I never stay full for long. What am I?

The moon

400

What has four legs, but cannot walk?

I will accept either a chair or a table.

500

What has teeth, but cannot bite?

A comb