Arcs and Chords

What is a chord?

• it lies in the plane of the circle and intersects the circle at exactly on point

• it is a line that intersects a circle at exactly 2 points

• its endpoints are 2 points of the circle

• idk

What is an arc of a circle?

• is the part of the circle between two points on the circle

• is the part of the circle between one point on the circle

• is the part of the circle between three points on the cirle

• idk

What is the measure of a semicircle?

• 145

• 180

• 90

• 360

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

A ____ angle is an angle whose vertex is a the center of a circle.

• supplementary
• complimentary
• central
• obtuse

Tags

CCSS.HSG.C.A.2

What is the measure of arc SVT?

• 66 degrees

• 236 degrees

• 114 degrees

• 294 degrees

• None of these

What is the measure of arc NJM?

• 55°

• 60°

• 305

• 135°

Tags

CCSS.HSG.C.B.5

Solve for x. 

• 5
• 20
• 40
• 85

Tags

CCSS.HSG.C.A.2

What is the value of x?

• x = 160
• x = 40
• x = 80
• x = 360

Tags

CCSS.HSG.C.A.2

In a circle (or congruent circles), congruent arcs:

• have congruent chords
• have congruent points
• are twice the measure of their radii
• can climb a hippo

Tags

CCSS.8.G.A.2

In a circle (or congruent circles), congruent central angles:

• have congruent chords
• have congruent points
• have similar names
• trunkbuster

Tags

CCSS.HSG.C.A.2