Circles Review

A segment whose endpoints lie on a circle is a _______.

• tangent
• chord
• diameter
• secant

Tags

CCSS.HSG.C.A.2

The diameter is two times the radius

• True
• False

Tags

CCSS.7.G.B.4

An arc whose measure is between 180° and 360°

• Minor Arc
• Semicircle
• Major Arc
• Central Angle

Tags

CCSS.HSG.C.B.5

∠BAC is a ________ angle

• major
• central
• inscribed
• obtuse

Tags

CCSS.HSG.C.A.2

An angle whose vertex is at the center of the circle.

• Central Angle
• Inscribed Angle
• Radius
• Sector

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.B.5

What is the measure of ∠AOB?

• 40°
• 80°
• 160°
• 50°

Tags

CCSS.HSG.C.A.2

What is the measure of ∠ABC?

• 82°
• 41°
• 164°
• 64°

Tags

CCSS.HSG.C.A.2

What is the measure of arc CB?

• 60°
• 120°
• 80°
• 240°

Tags

CCSS.HSG.C.B.5

What is the arc length of arc XY?

• 5.5π
• 4π
• 8π
• 2π

Tags

CCSS.HSG.C.B.5

solve for x.

hint* central angle = arc measure. diameter makes a semicircle = 180 degrees

• 21.25

• 13.6

• 43.75

• 10

Tags

CCSS.HSG.C.A.2