Area and Circumference of Circles

Front

Diameter of the observatory's base is 64 feet. What is the circumference of the base in feet?

Back

200.96 ft

Front

A company's logo was designed using circles of 3 different sizes. The diameters of the two of the circles are shown.
Which measurement is closest to the area of the largest circle in square centimeters? Options: 56.52 square centimeters, 141.30 square centimeters, 1,017.36 square centimeters, 254.34 square centimeters

Back

254.34 square centimeters

Front

A circular tablecloth has a radius of 2.5 feet. What is the length of the ribbon needed to go around the edge? Options: 7.85 ft, 15.7 ft, 19.63 ft, 31.4 ft

Back

15.7 ft

Front

A rotating lawn sprinkler sprays water in a circular area of grass with a diameter of 16 ft. What is the area in square feet that this sprinkler sprays?

Back

200.96

Front

A circle has a diameter of 22 meters. What is the circumference in meters?

Back

69.08

Front

A circular railroad-crossing sign has a diameter of 30 inches. What is the area of the sign in square inches?

Back

706.5

Front

The radius of a circle is

Back

The measurement from the center of a circle to an edge of the circle.

Front

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

Back

28.26 m²

Front

Area of the semicircle?

Back

None of the above

Front

Ring with diameter of 3.5 feet. Calculate circumference (use 3.14 for pi).

Back

10.99 ft