Area and circumference of circles

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.)

Back

57 cm

Front

Area of a circle with diameter 10 cm

Back

78.5 cm²

Front

Does this picture show the diameter or radius of a circle?

Back

Radius

Front

Is the red line a radius or diameter of the circle?

Back

Diameter

Front

What is the diameter? Options: 8, 16, 10, 4

Back

16