Circle Review Angles and Arcs

If minor arc AC = 96° , what is the measure of ∠ ABC?

• 53°

• 64°

• 72°

• 84°

Find the measure of Arc MN

• 66

• 73.5

• 147

• 33

Find the missing angles or arcs.

Arc AB and Arc BC are​ ​ (a)   . Arc AB equals ​ (b)   and Arc BC equals ​ (c)   .

• congruent

• not congruent

• 123

• 246

Find the measure of arc RT.

• 142

• 98

• 155

• 187

Match the following

• 58^o

• measure of arc RS

• 180^o

• measure of arc ST

• 32^o

• 64^o

• measure of arc RST

• 116^o

Match the following

• 47

• m<2

• 52

• m<1

• 104

• arc EF

Answer explanation

arc EF = Add 58+104+94=256. Then 360 - 256 = 104

m<1 = 94/2 = 47

m<2= 104/2 = 52

1. ​ (a)   2. ​ (b)  

3. ​ (c)   4. ​ (d)   5. ​ (e)  

• Inscribed Angle

• Central Angle

• Semi-Circle

• Chord

• Minor Arc

• Major Arc

• Diameter

• Secant

• Tangent

• Radius