Angle Properties of Circle

AB is a diameter of a circle, center O. C is a point on the circumference of the circle, such that ∠CAB = 26°.

What is the size of ∠CBA?

• 90

• 64

• 32

• 48

Tags

CCSS.HSG.C.A.2

AB is a diameter of a circle, center O.

C is a point on the circumference of the circle, such that ∠CAB = 2 × ∠CBA

What is the size of ∠CBA?

• 40

• 20

• 30

• 10

L, M and N are points on the circumference of a circle, center O.

∠MON = 98°.

What is the size of ∠MLN?

• 48

• 47

• 49

• 50

Tags

CCSS.HSG.C.A.2

L, M and N are points on the circumference of a circle, center O.

∠MLN = 42°.

What is the size of ∠MON?

• 21

• 80

• 84

• 90

Tags

CCSS.HSG.C.A.2

V, W, X and Y are points on the circumference of a circle, center O. Chords VX and WY intersect at the point Z.

∠XVW = 72° and ∠VXY = 38°

What is the size of ∠VZW?

• 38

• 60

• 70

• 72

Tags

CCSS.HSG.C.A.2

Chords AB and CD intersect at the point X.

∠AXD = 92° and ∠CBA = 57°

What is the size of ∠DAX?

• 21

• 31

• 41

• 36

Tags

CCSS.HSG.C.A.2

ABCD is a cyclic quadrilateral drawn inside a circle center O.

∠ABC = 108°

What is the size of ∠ADC?

• 72

• 82

• 90

• 108

WXYZ is a cyclic quadrilateral drawn inside a circle center O and V is on the line XW extended.

∠XYZ = 83°

What is the size of ∠VWZ?

• 80

• 83

• 87

• 97

Name the pictured part of the circle.

• Radius

• Central Angle

• Sector

• Center

• Arc

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.B.5

CCSS.HSG.CO.A.1

Name the pictured part of the circle.

• Radius

• Central Angle

• Sector

• Center

• Arc

Tags

CCSS.HSG.C.A.2