Circles, Arcs & Angles

Match the following part of the circle with its correct label.

• Tangent Line

• Point S

• Diameter

• Chord

• Center

• Radius

Tags

CCSS.HSG.C.A.2

Match the following vocabulary term with its appropriate part of the circle.

• Secant Line

• Point V

• Major Arc

• Semi-Circle

• Line PR

• Minor Arc

• Point of Tangency

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.B.5

What is the formula to use to find a central angle

• Central Angle = Intercepted Arc

• 2(Intercepted Arc) = Central Angle

Find the measure of the missing angle. (Hint: Central Angles)

• 60

• 310

• 155

• 50

Tags

CCSS.4.MD.C.7

What is the formula to use when solving for an inscribed angle?

• Intercepted Arc = Inscribed Angle

• 2(Intercepted Arc) = Inscribed Angle

If a quadrilateral is inscribed in a circle, the opposite angles are

• Supplementary

• Congruent

• Complimentary

What is the measure of the missing angle in degrees? (Hint: Inscribed Angle)

• 102

• 51

• 204

• 40

Tags

CCSS.HSG.C.A.2

If an inscribed angle intercepts a diameter, then it is a(n) _ angle.

• Obtuse

• Right

• Acute

If 2 inscribed angles intercept the same arc, they are _.

• Congruent

• Supplementary

• Complimentary

Find the measure of arc GI.

• 65

• 17.5

• 70

• 35