Area and Circumference of Circles

Front

Which segment is a radius? Options: LM, DC, BD, ML

Back

DC

Front

Which segment is the diameter? Options: AC, BD, LM, CE

Back

BD

Front

The _____ is the distance from the center to any point on the circle.

Back

radius

Front

The distance across a circle through its center is called the _____ (Options: diameter, radius, π, center).

Back

diameter

Front

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

Back

9.5 inches

Front

If my radius is 10ft, what is my diameter?

Back

20ft

Front

What is the circumference of this circle? Options: 3.14 cm, 37.68 cm, 24 cm, 68.4 cm

Back

37.68 cm

Front

The diameter of a bowl is 18 cm. What is the circumference of the bowl? (Round to the nearest whole number.) Options: 28 cm, 57 cm, 254 cm, 1017 cm

Back

57 cm

Front

A circular swimming pool is 21 feet in diameter. How many feet around is the pool? Options: 10.5 ft, 42 ft, 65.94 ft, 131.95 ft

Back

65.94 ft

Front

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

Back

10.99 ft