Circle Terms
Finding the Radius
Finding the diameter
Finding the Area
Finding the circumference
100

the length of the line through the center that touches two points on the edge of the circle.

What is Diameter

100

The Diameter of this circle is 10. 

What is 5. 

100
The radius of this circle is 10. 

What is 20. 

100

The Radius of this circle is 6. 

What is 113.1.

100

The Diameter of this circle is 10. 

What is 31.4. 

200

the length of the line from the center to any point on its edge

What is Raduis

200

The Diameter of this circle is 15.

What is 7.5.

200

The radius of this circle is 16.

What is 8.

200

The Radius of this circle is 9.

What is 254.5. 

200

The diameter is 15.

What is 47.12.

300

the perimeter of a circle or ellipse

What is Circumference 

300

The diameter of this circle is 110. 

What is 55. 

300

The circumfernce of this circle is 17.71.

What is 5. 

300

The Radius of this circle is 16.5.

What is 855.31. 

300

The Radius of this circle is 35. 

What is 220. 

400

The total amount of space inside of a circle

What is the area?

400

The diameter of this circle is 480. 

What is 240. 

400

The circumference of this circle 22.

What is 7. 

400

The Radius of this circle is 18. 

What is 1,017.1 

400

The radius of this circle is 60. 

What is 188.5. 

500

3.14 

What is Pi?

500

The diameter of this circle is 37. 

What is 18.5. 

500

The circumference is 37.7.

What is 9. 

500

The radius of this circle is 20. 

What is 1,256.63. 

500

The Radius of this circle is 76.3. 

What is 479.4.