Chapter 6 Circles Discovering Geometry

What is the part of the circle highlighted in red called?

• semi-circle arc

• major arc

• minor arc

• sector

What is the part of the circle highlighted in red called?

• semi-circle arc

• major arc

• minor arc

• sector

What is the value of x?

• x = 160

• x = 40

• x = 80

• x = 360

What is the measure of arc AB?

• 140

• 142

• 180

• 153

Tags

CCSS.HSG.C.B.5

If the measure of arc ABC = 210°, what is the measure of ∠AOC?

• 150°

• 100°

• 210°

• 105°

A segment connecting two points on a circle that passes through the center.

• diameter

• radius

• secant

• tangent

Find the length of the arc

• 25pi/18

• 125pi/90

• 16pi/3

• 20pi/3

Tags

CCSS.HSG.C.B.5

Which of the following names a radius?

• segment AC

• segment DB

• segment AB

• segement BC

Which of the following names a diameter?

• segment AC

• segment DB

• segment AB

• segment BC

What is the part of the circle highlighted in red called?

• semi-circle arc

• major arc

• minor arc

• sector