Area and Circumference of Circles

Front

What is the radius of this circle? Options: 18, 10, 9, 8

Back

9

Front

What is the diameter of this circle? Options: 3.5, 3, 5, 7

Back

7

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

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

Back

Radius

Front

Find the circumference of a circle with a diameter of 11 millimeters.

Back

34.54 mm

Front

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

Back

84.78 mm

Front

What is the area of this circle? Options: 82.13 m², 78.50 m², 314.16 m², 170.12 m²

Back

78.50 m²

Front

A circular swimming pool is 21 feet in diameter. How many feet around is the pool?

Back

65.94 ft

Front

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

Back

37.68 cm