CIRCLES

A chord is a segment that connects ___________

• the center to the endpoint
• to one point outside the circle
• a central angle
• 2 endpoints of a circle

which segment above represents the radius

• AC

• AB

• LM

Name the circle part shown in red

• Diameter

• Radius

• Sector

• Tangent

Tags

CCSS.HSG.C.A.2

Name the circle part shown in green

• Sector

• Arc

• Segment

• Radius

What is line AB?

• diameter
• chord
• secant
• tangent

What is the area of this circle?

• 1385.44
• 2142.12
• 5541.77
• 1289.12

Tags

CCSS.7.G.B.4

What number is pi?

• 1.41

• 2.00

• 3.14

• 5.14

Tags

CCSS.HSG.GMD.A.1

Find the area of the shaded sector of circle O. The radius is 6 inches and the central angle is 100°. Express answer to the nearest tenth of a square inch.

• 25.2 in²

• 28.5 in²

• 31.4 in²

• 38.2 in²

Tags

CCSS.HSG.C.B.5

Find the circumference with a diameter of 18.4 km. Use 3.14 for pi.

• 23.7 km

• 57.8 km

• 19.3 km

• 59.1 km

Tags

CCSS.7.G.B.4

Find the arc length of the bolded arc.

• A

• B

• C

• D

Tags

CCSS.HSG.C.B.5