Circles and Spheres Area and Circumference

The line segment between the center and a point on the circle

• Radius

• Diameter

• Chord

• Tangent

What is the distance around a circle?

• Circumference

• Area

• Diameter

• Radius

Find the circumference (to the nearest whole number)

• 88 in

• 44 in

• 116 square in

• None of the above

Find the area of the circle

• 56.52 in²

• 254.34 in²

• 1017.36 in²

• 113.04 in²

What is the circumference of a circle with a diameter of 8 inches?

A circular garden has a radius of 14 meters. What is the length of the fence required to enclose it?

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

What is the formula to calculate the circumference of a circle?