Basic Circle

What is the circumference of a dinner plate with a radius of 4.5 inches?

• 28.26 inches

• 27.26 inches

• 29.26 inches

• 30.26 inches

In circle O, the radius is 4, and the measure of minor arc AB is 120 degrees. Find the length of minor arc AB to the nearest integer.

• 5

• 9

• 8

• 6

Find the circumference (to the nearest whole number)

• 88 in

• 44 in

• 116 in

• None of the above

What is the circumference of a 12 inch (diameter) pizza?

• 37.68 inches

• 36.68 inches

• 35.68 inches

• 34.68 inches

find the area of the circle with radius 3 cm below.

• 100 cm²

• 225 cm²

• 9 cm²

• 28.26 cm²

Jacob is painting a circular picture on his wall.  If the painting has a diameter of 4 ft, how much paint will he need to cover the inside of the circle?  Is this question asking you to find the area, circumference, or neither?

• area

• circumference

• neither

What is the area of this circle?

• 6082.12

• 1520.53

• 1893.14

• 1292.92

What is the formula for area of a circle?

• A = pi x D

• A = 2pi x r

• A = pi x r2

• A = pi x D2

What is being represented in the image?

• Central Angle

• Interior Angle

• Chord

• Diameter

Which of the following names a radius?

• segment AC

• segment DB

• segment AB

• segement BC