Find the area
Find the
circumference
What formula is this for?
The properties of a circle
100

The diameter of a circle is 6.

What is 113.1?

100

The diameter of a circle that is 9.

What is 56.55?

100

C=2πr

What is the formula for circumference?

100

It's know as the boundary of a circle.

What is the Circumference?

200

The diameter of a circle is 16.

What is 804.25?

200

The diameter of a circle is 20.

What is 125.66?

200

A=πr2

What is the formula for finding the area of a circle?

200

The line from the center of a circle to the circumference and is denoted as R or r in formulas.

What is the Radius?

300

The diameter of a circle is 28.

What is 2463?

300

The diameter of a circle is 45.

What is 282.74?

300

D= 2r

What is formula for Diameter?

What is formula for Diameter from a radius?

300

The line that passes through the center and touches two points on the circumference and is denoted as D or d in formulas.

What is the Diameter?

400

The diameter of a circle is 39.78.

What is 4971.41?

400

The diameter of a circle is 160.

What is 1005.31?

400

V = πr2 

Hint, it is a shape of a can.


What is the area for a cylinder?

400

The straight line that joins any two points on the circumference of a circle

What is a Chord?

500

The diameter of a circle is 96

What is 28,952.917

500

The diameter of a circle is 175.

What is 1100?

500

(x-h)2+(y-k)2=r2

What is the standard equation of a circle?

500

A line that cuts the circle at the two distinct points. 

What is a Secant?