Circles

What is the diameter?

• 5 in
• 10 in
• 3.14 in
• 15.84 in

What is the radius of a circle when the diameter is 70 m?

• 38 m

• 35 m

• 90 m

• 140 m

If a radius of a circle is 24 m, what is the diameter?

• 12 m

• 32 m

• 25 m

• 48 m

a straight line from the center of a circle to the circumference

• Diameter

• Circumference

• Radius

• Area

What is being shown here?

• Radius

• Diameter

Which of these is the circumference formula?

What shape is this?

• square

• triangle

• rectangle

• circle

The diameter is...

• twice the radius

• half the radius

• 4 times the radius

• the radius squared

The radius is.....

• twice the diameter

• half the diameter

• the diameter squared

The diameter is 6. What is the radius?

• 12

• 3

• 36