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

Tags

CCSS.7.G.B.4

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

Tags

CCSS.HSG.C.B.5

Find the circumference (to the nearest whole number)

• 88 in

• 44 in

• 116 in

• None of the above

Tags

CCSS.7.G.B.4

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

• 37.68 inches

• 36.68 inches

• 35.68 inches

• 34.68 inches

Tags

CCSS.7.G.B.4

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

• 100 cm²

• 225 cm²

• 9 cm²

• 28.26 cm²

Tags

CCSS.7.G.B.4

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

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 6082.12

• 1520.53

• 1893.14

• 1292.92

Tags

CCSS.7.G.B.4

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

Tags

CCSS.7.G.B.4

What is being represented in the image?

• Central Angle

• Interior Angle

• Chord

• Diameter

Tags

CCSS.HSG.C.A.2

Which of the following names a radius?

• segment AC

• segment DB

• segment AB

• segement BC