Circle Mixed Practice

What does "circumference" mean?

• Space a circle takes up
• Distance around a circle
• Line from one side of a circle to another
• Line from center of circle to side

Tags

CCSS.7.G.B.4

If my radius is 10ft, what is my diameter?

• 20ft
• 5ft
• 31.4ft
• 62.8ft

Tags

CCSS.7.G.B.4

The radius of a circle is

• The measurement from the center of a circle to an edge of the circle.
• The measurement around the circle
• The measurement from and edge of the circle to another edge through the center
• A line perpendicular to the diameter of the circle

Tags

CCSS.HSG.CO.A.1

A circle has a circumference of 12π yd. What is the diameter of the circle?

• 12 yd

• 6 yd

• 18 yd

• 144 yd

A wire of length 28π in is bent to form a circle. What is the radius of the circle?

• 28 in

• 19 in

• 14 in

• 56 in

A circular park has a circumference of 36π yd. Find its diameter.

• 18 yd

• 36 yd

• 12 yd

• 9 yd

The circumference of a bicycle while is 6π in. Find the diameter of the wheel.

• 12 in.

• 6 in.

• 3 in.

• 24 in.

Given the radius of a circle, how would you calculate the diameter?

• Divide the radius by 2

• Multiply the radius by pi

• Multiply the radius by 2

• Divide the radius by pi

The circumference of a circle is 18.41 feet. What is the length of the diameter?

• 57.81 feet

• 2.93 feet

• 5.86 feet

• There is not enough information to solve for the diameter of the circle.

The radius of a birthday cake is 5 inches. Icing will decorate the circumference of the cake. What procedure can be used to find the approximate circumference of the cake?

• Multiply 5 by 3.14.

• Multiply 5 by 2 and the product by 3.14.

• Multiply 5 by 5 and the product by 3.14.

• Multiply 5 by 3 and the product by 3.14.