Circumference and Area of Circles

Circumference and Area of Circles

Multiple Choice

The wheels on Ms. Mebane's bike has a circumference of about 5 feet. 

How far does the bike travel as the wheel makes 15 complete rotations?

• 5 feet

• 75 feet

• 25 feet

• 125 feet

Multiple Choice

The wheels on Ms. Mebane's bike has a circumference of about 5 feet.

How many times do the wheels rotate if Ms. Mebane rides 75 feet?

• 125 feet

• 80 feet

• 15 feet

• 5 feet

Multiple Choice

If the radius of an airplane propeller is 48 inches. What is the circumference?

• $96\ inches^2$

• $301\ inches^2$

• $24\ inches^2$

• $160\ inches^2$

Multiple Choice

If the circumference of a grapefruit is 30 cm. What is the diameter?

• About 3 centimeter

• About 9 centimeters

• About 31.4 centimeters

Multiple Choice

A wheel has a diameter of 27 inches, what is its radius?

• 3 inches

• 9 inches

• 54 inches

• 13.5 inches

Multiple Choice

How do you find Pi?

• Divide the radius by diameter

• Multiply Pi by 3.14

• Find the square root of the radius

• Divide the circumference by the diameter

Multiple Choice

The circumference of a car wheel is about 65 inches.

If the car wheel rotates once per second, how far does the car travel in one minute?

• 125 inches

• 2.5 inches

• 3900 inches

• 65 inhces