Area and Circumference of Circles

Front

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

Back

Radius

Front

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

Back

Diameter

Front

What is the radius of this circle? Options: 18, 36, 9, 6

Back

9

Front

What is the radius of this circle? Options: 12cm, 6cm, 24cm, 3cm

Back

6cm

Front

What is the diameter? Options: 5 in, 10 in, 3.14 in, 15.84 in

Back

10 in

Front

Find the circumference of the circle

Back

43.96

Front

What is the diameter of this circle?

Back

7

Front

What is the area of this circle?

Back

50.24 square meters

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

Find the circumference (to the nearest whole number)

Back

88 in