Circumference and Area of Circles

Front

If the diameter of a circle is 4, what is the radius?

Back

2

Front

Find the circumference of the circle in the image.

Back

20π

Front

What is the diameter of the circle in the image?

Back

20

Front

What is the formula for finding the area of a circle?

Back

Front

What is the area of the circle in the image?

Back

100π

Front

What is the radius of the circle in the image? Options: 6, 2, 3, 12

Back

3

Front

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

Back

Diameter

Front

Find the area of the circle

Back

153.86

Front

What is the area of this circle?

Back

1519.76

Front

Find the circumference of a circle with a radius of 13.5 mm.

Back

84.78 mm