Circle Geometry Area Circumference

Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference (use 3.14 for pi)?

Serena drew a circle with a circumference of 157 centimeters.  What is the approximate diameter of the circle she drew?

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area?

A circular swimming pool is 21 feet in diameter.

About how many feet around is the pool?

Randy’s circular garden has a radius of 1.5 feet. He wants to enclose the garden edging that costs $0.75 per foot. About how much will the edging cost?

Mrs. Apple just bought a new dinning room table. She needs to make a table cloth for decoration. What amount of fabric should she buy if the table has a diameter of 5 feet? Choose the equation that would best help solve this problem.

Your Geometry teacher rents a fast car for the weekend. Her friend, a Physics teacher, uses a stopwatch to time how long it takes your teacher to make one complete revolution about the track. Is this question circumference or area?

A glass stained window is shaped like a semicircle. The bottom edge of the window is 36 inches long. How much colored glass would you need to cover the stained window? Round to the nearest hundredth.

Mark's dog, Meg, swam from one side of his circular pool to the other side going through the center. If the circumference of Mark's pool is 25.12 ft, then how many feet did Meg swim to get across the pool?

The formula for Area of a Circle is...