Angles on a Circle

Solve for the missing angle.

• 45^o

• 90^o

• 22.5^o

• 128^o

Tags

CCSS.HSG.C.A.2

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

• 150°

• 100°

• 210°

• 105°

• A
• B
• C
• D

Tags

CCSS.HSG.C.A.2

• A
• B
• C
• D

Tags

CCSS.HSG.C.A.2

Find the value of x.

Mathematical Equivalence

ON

Tags

CCSS.HSG.C.A.2

Mathematical Equivalence

ON

Tags

CCSS.HSG.C.A.2

Find the value of the angle marked x....

• 90

• 45

• 50

• 100

Tags

CCSS.HSG.C.A.2

Think about if the angles are equal or if they add up to 180. Solve for x. Plug it in.

Mathematical Equivalence

ON

Tags

CCSS.HSG.C.B.5

In the diagram, two chords intersect, forming a vertex in the interior of the circle. Solve for x.

• 45°

• 50°

• 65°

• 60°

Tags

CCSS.HSG.C.A.2

Find angle x.

• 75^o

• 85^o 

• 80^o 

• 78^o

Tags

CCSS.HSG.C.A.2