Circumference and Area of Circles

Front

If my diameter is 19 inches, what is my radius?

Back

9.5 inches

Front

What is the circumference of this circle?

Back

37.68 cm

Front

A cruise ship has a large, circular window with a diameter of 6 meters. What is the window's area? Options: 31.25 m², 29.55 m², 30.36 m², 28.26 m²

Back

28.26 m²

Front

What is the area of this circle?

Back

1385.44

Front

Jayne has a circular lollipop with a circumference of 25.12 inches. What is the diameter? Use π = 3.14.

Back

8 in.

Front

The circumference is 62.8 inches. What is the radius?

Back

10 inches

Front

Ms. Merine calculated that her hoop earring has a diameter of 3.5 centimeters. What is the area of her earring (round to the hundreth's place)? Options: 9.25 cm², 9.62 cm², 9.15 cm², 9.99 cm²

Back

9.62 cm²

Front

What is π ?

Back

The ratio of the circumference of any circle to its diameter.

Front

A circular track with a diameter of 60 meters. Shaleah walked around the track 4 times. Approximately how many meters did she walk?

Back

754

Front

Sadie has 38 inches of fringe to sew around a circular pillow. What is the approximate diameter of the largest pillow she can use?

Back

12 inches