Area and Circumference

What is the area of this circle? Use the Pi button.

• 452.39 cm²

• 139.12 cm²

• 113.1 cm²

• 84.23 cm²

Tags

CCSS.7.G.B.4

Which of the following is the most accurate definition of π ?

• The ratio of the circumference of any circle to its diameter.

• It is exactly 3.14

• It is exactly 3.1415

• It is exactly 3.141593

Tags

CCSS.HSG.GMD.A.1

What is circumference?

• The distance around a circle.

• The space inside the circle.

• A line from side to side passing through the center.

• A line from the center to the side.

The homeowners association wants to enclose the playground in a fence. How much fencing will they need to purchase?

Would you need to find the Area or Circumference?

• area

• circumference

• neither

Tags

CCSS.7.G.B.4

Steven purchases a bowl. The diameter of the

bowl is 14 cm. What is the distance around the bowl? Use the Pi button.

• 21.98 cm

• 43.98 cm

• 87.96 cm

• 7 cm

Tags

CCSS.7.G.B.4

Find the area of the circle below. Use 3.14 for Pi.

• 100 cm²

• 225 cm²

• 9 cm²

• 28.26 cm²

Tags

CCSS.7.G.B.4

What is the circumference of a circle with a diameter of 19.1 ft? Use 3.14 for Pi.

• 60.00 ft

• 35.17 ft

• 28.67 ft

• 47.17 ft

Tags

CCSS.7.G.B.4

A minute hand (radius) of a clock is 13.8 meters long. What is the circumference of the clock? Use 3.14 for Pi.

• 86.70 meters

• 76.66 meters

• 66.66 meters

• 96.66 meters

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 201.06 square meters

• 50.24 square meters

• 123.12 square meters

• 25.12 square meters

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 5541.77

Tags

CCSS.7.G.B.4