Area and Circumference of a circle flashcardziz

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

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

What is the distance around a circle?

Back

Circumference

Front

True or False: The diameter is being pictured here.

Back

False

Front

True or False: The diameter is twice as long as the radius.

Back

True

Front

If the diameter of a circle is 10 mm, the circumference is approximately ___

Back

31.4 mm

Front

Diameter of a burger is 5 cm. What is the radius?

Back

2.5 cm

Front

Find the area of the circle

Back

153.86

Front

Find the area of the circle

Back

254.34

Front

Find the area of a circle with a diameter of 2.5 inches. Use 3.14 for π and round to the nearest tenths place.

Back

4.9 inches²