Circle/Circumference Practice

The outside edge of any circle is called the:

• Diameter

• Radius

• Circumference

• Center

The distance from the center of the circle to the edge of the circle is called the:

• Diameter

• Radius

• Circumference

• Center

A straight line that stretches from one edge of the circle to the opposite edge and passes through the center is called the:

• Diameter

• Radius

• Circumference

• Center

The middle of any circle is called the:

• Diameter

• Radius

• Circumference

• Center

What is the formula to find the circumference of a circle when the radius is given?

If the diameter of a circle is 40 inches, what is the radius?

• 20 inches

• 42 inches

• 84 inches

• 14 inches

Using 3.14 for the value of pi, what is the circumference of a circle with a diameter of 110 cm?

• 345.4 cm

• 157 cm

• 628 cm

• 200 cm

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Tags

CCSS.HSG.C.A.2

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Tags

CCSS.HSG.C.A.2

John has a circular garden with a diameter of 16 cm. How long would the fencing be if he decides to fence the entire garden?

• 12.56 cm

• 100.48 cm

• 50.24 cm

• 25.12 cm