Area Circumference Circle Challenge Questions

The area of a circle is 78.54 square centimeters. What is the circumference of the circle?

• 31.4

• 5

• 10

• 39.3

Tags

CCSS.7.G.B.4

The radius of a circle is 6.5 inches.

Find the circumference of the circle.

• 132.7 in

• 40.8 in

• 20.4 in

• 572.3 in

Tags

CCSS.7.G.B.4

The homeowners association wants to enclose a circular playground in a fence. The need to find the amount of fencing they need to purchase.  Will they need the area or circumference of the playground?

• area

• circumference

• neither

What is the formula to find the area of a circle?

• A = πd

• A = 2πr

• A = πr²

• A = xyz

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

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

What is the area of a circle?

• 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.

What is the distance around the bowl?

• 21.98 cm

• 43.96 cm

• 87.96 cm

• 7 cm

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 50.27 cm²

• 78.23 cm²

• 98.12 cm²

• 201.06 cm²

Tags

CCSS.7.G.B.4