Circumference and Area of Circles Formula

The circular fountain in front of the library has a radius of 8.8 feet. What is the circumference of the fountain to the nearest tenth?

• 55.3 ft

• 26.4 ft

• 48.8 ft

• 27.6 ft

Tags

CCSS.7.G.B.4

What is circumference?

• The distance around a circle.

• The space inside the circle.

• The length of the straight line segment that passes through the center of the circle and whose endpoints lie on the circle.

• The line from the center of a circle to any point on its edge.

What is the area of a circle?

• The distance around a circle.

• The space inside the circle.

• The length of the straight line segment that passes through the center of the circle and whose endpoints lie on the circle.

• The line from the center of a circle to any point on its edge.

The formula for the circumference of a circle is...

Tags

CCSS.7.G.B.4

• 25.12 inches

• 12.56 inches

• 50.24 inches

• 31.4 inches

Tags

CCSS.7.G.B.4

• Area of a Circle
• Circumference of a Circle
• Area of a Trapezoid
• Area of a Triangle

Tags

CCSS.7.G.B.4

A pizza has a circumference of 31.4 inches. What is the radius of the pizza?

Tags

CCSS.7.G.B.4

The circumference of a circular track is 440 meters. What is the track's radius?

Tags

CCSS.7.G.B.4

If a bicycle wheel rotates once and moves forward 31.4 meters, what is the diameter of the wheel?

Tags

CCSS.7.G.B.4

Tags

CCSS.7.G.B.4