Easy Area and Circumference of Circle

Check what you would need to find the AREA of a circle

• radius

• diameter

• circumference

• pi

Tags

CCSS.7.G.B.4

if the radius of a circle is tripled, the area becomes

• 9 times

• 3 times

• 6 times

• 30 times

Tags

CCSS.7.G.B.4

A circular pond is surrounded by a 2 m wide circular path. If outer circumference of circular path is 44 m, find the inner circumference of the circular path. Also find area of the path.

• 65.43 m.sq. (aprox.)

• 85.43 m.sq. (aprox.)

• 95.43 m.sq. (aprox.)

• 75.43m.sq. (aprox.)

Tags

CCSS.7.G.B.4

A circle has a radius of 5 cm. What is the area?

• 78.5 cm²

• 31.4 cm²

• 15.7 cm²

• 314 cm²

Tags

CCSS.7.G.B.4

The radius of the circle is 9 meters.  What is the circle's circumference?

• 9 meters

• 28.26 meters

• 56.52 meters

• 18 meters

Tags

CCSS.7.G.B.4

What is the circumference of this circle?  Round to the nearest tenth.

• 3.14 cm 

• 37.7 cm

• 24 cm

• 68.4 cm

Tags

CCSS.7.G.B.4

Ms. Catall is using a compass to find her way out of the woods. The compass has a radius of 4 centimeters. What is the compass's area?

• 49.2 cm²

• 45.6 cm²

• 50.24 cm²

• 55.9 cm²

Tags

CCSS.7.G.B.4

A DVD has a diameter of 15 millimeters. Which equation would help you determine the area?

• A = 15²π

• A = 2π15

• A = 7.5²π

• A = 15 π

Tags

CCSS.7.G.B.4

The diameter of the wheel on a bicycle is 24 inches. Which is closest to the circumference of the wheel?

• 25.36 in

• 37.68 in

• 75.36 in

• 452.16 in

Tags

CCSS.7.G.B.4