Circle Song

What is the first step in creating a geometric circle?

• Measure the diameter

• Calculate the area

• Pick a point and draw a dot

• Draw a square

Which term describes the distance from the center of a circle to its edge?

• Area

• Radius

• Circumference

• Diameter

What formula is used to calculate the circumference of a circle?

• C = r/2

• C = πr²

• C = 2πr

• C = πd

What is the value of pi up to two decimal places?

• 3.15

• 3.14

• 3.13

• 3.16

If the radius of a circle is 6, what is the approximate area?

• 36

• 37.69

• 113.097

• 72