Vocab
Radius
Diameter
Circumference
Area
100

The center of the circle? 

Center Point 

100

What is the radius of a circle that has a diameter of 12 inches?

6 inches 

100

What is the diameter of a circle that has a radius of 10

20

100

The diameter is 10 inches. What is the circumference?

31.4

100

The radius is 4 inches. What is the area of the circle?

50.24 square inches 

200

What number is pi ?

3.14

200

If a circles diameter is 18in what is the radius 

9in

200

If a circle has a radius of 45.what is the diameter 

90

200

The diameter is 42 centimeters long what’s the circumference 

131.88. Centimeters 

200

If the radius is 12 what is the area?

452.16

300

What does the diameter go through ?

side to center to the other side

300

If a circles diameter is 120cm what is the radius?

60cm

300

If a circles radius is 25.42. What is the diameter?

50.84

300

Angelica says the circumference is 308.08 The problem was (if the diameter is 98.12 What is the circumference?) is she correct?

Yes, she is correct 

300

If the radius of a circle is 14.5 .what is the area? 

660.185

400

What do you need for circumference?

Diameter X pi

400

If the diameter of a circle is 50.2 in what’s the radius?

25.1 in

400

If a circles radius was 12.7cm what is the diameter 

25.4cm

400

If a circles diameter is 412 meters long what’s the circumference?

1293.63 meters long

400

Estella says the area of her friend’s circle is 490.63cm ms Lori says the area of the circle is 590.45 Who’s right this is the problem (the radius is 12.5)

Estella is right 

500

What is another word for circumference?

Perimeter 

500

If the diameter is 101.9m what is the radius?

50.95m

500

If a circles circumference is 366, what is the diameter 

116.56

500

If the radius is 6 what is the circumference 

37.68

500

The diameter of a circle is 85.96 what is the area?

5800.46