Area and Circumference of Circles

Front

The ratio of circumference to diameter is

Back

pi

Front

If the diameter of a circle is 50 yards, the radius is

Back

25 yards

Front

If the radius of a circle is 12.5 meters, the diameter is ____

Back

25 meters

Front

Meg swam from one side of her circular pool to the other side going through the center. If Meg swam 8 feet, what is the approximate circumference of Meg's pool?

Back

25.12 feet

Front

Tom measured his frisbee from the center to the outside and found it to be 6 inches. What is the approximate circumference of Tom's frisbee?

Back

37.68 inches

Front

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

Back

50 cm

Front

Shring's dining room table is round and has a radius of 4.5 feet. What is the tabletop's approximate circumference? Options: 14.13 ft, 20.68 ft, 26.28 ft, 28.26 ft

Back

28.26 ft

Front

Minimum length of fencing needed to enclose a circular garden (Options: 56.25 ft, 246 ft, 365 ft, 393 ft)

Back

393 ft

Front

Find the area of a disk with a radius of 4.5 inches. Use 3.14 for π.

Back

about 63.59 in2

Front

What is the area of this circle?

Back

113.1