Unit 3 - Area and Circumference of Circles

Front

Estimate the circumference and area of Paris, given a circular road with a radius of 3 miles.

Back

Circumference = 18.84 mi; Area = 28.26 mi²

Front

Here is a picture of a Ferris wheel. Which picture shows the radius of the Ferris wheel.

Back

Front

How far does a rider travel in one complete rotation around a Ferris wheel with a radius of 15 meters?

Back

94.2 meters

Front

How much fencing is needed for a circular playground?

Back

200.96 meters

Front

A dog is tied to a wooden stake in a backyard with a 5-meter leash. How much area does the dog have to run around in?

Back

78.5 meters ²

Front

The radius of a birthday cake is 8 inches. What procedure can be used to find the approximate amount of icing on the top of the cake? About how much icing will be needed?

Back

Area; 200.96 inches²

Front

The circumference of a circle is 36.31 meters. What is the approximate length of the radius?

Back

5.78 meters

Front

Kevin jogs once around a circular track with a diameter of 400 meters. How many meters did Kevin jog?

Back

1256 meters

Front

Cassie is going to paint a circular design on the gymnasium floor. She measures the diameter of her circle to be 24 feet. How many gallons of paint should she buy if a gallon of paint covers 400 square feet?

Back

2 gallons because 1 wouldn't be enough.