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Circle Terms
Radius/Diameter
Random Stuff
Circumference
Perimeter and Angles
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. What is the radius?

What is 2.5

100

Two rays that share a common endpoint form a __________. 

What is an angle

100

The diameter for this circle is 10

What is 31.4

100

What is the perimeter of a square with a side that is 2 feet long?


r

What is 8 feet

200

Line drawn through the center of the circle

What is the Diameter

200

The diameter is 12. What is the radius?

What is 6

200

An exact location in space

What is a point

200
The diameter for this circle is 13
What is 40.82
200
Find the third angle of a triangle if: 


angle 1 = 40 degrees and angle 2 = 83 degrees

What is 57 degrees

300

The distance around the circle

What is the Circumference

300

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

What is 54.

300

a rectangle with all equal sides

What is a square

300
The diameter of this circle is 25
What is 78.5
300

What is the complement to an angle measuring 65 degrees?

What is 25 degrees

400

3.14 

What is pi?

400

The diameter of this circle is 437. What is the radius?

What is 218.5?

400

a quadrilateral having only one set of opposite sides parallel

What is a trapezoid

400
The radius for this circle is 45
What is 282.6
400

What is the supplement to an angle measuring 95 degrees?

What is 85 degrees

500

Formula for circumference:

Circumference = _____ * _____

What is Pi * Diameter

500

The diameter of the circle is 125 cm. What is the radius?

What is 62.5 centimeters

500

a portion of a circle

What is an arc

500

The radius for this circle is 1,642.5 mm. What is the circumference?

What is 10,314.9 mm

500

What is the third interior angle of a circle if:

angle 1 = 34 degrees and angle 2 = 97 degrees

What is 229 degrees?