Measures of Circles

Find the indicated measure (?)

• 33^o

• 66^o

• 55^o

• 110^o

Find the indicated measure (?).

• 34^o

• 146^o

• 42^o

• 185^o

Find the indicated measure (?)

• 20^o

• 140^o

• 100^o

• 60^o

What is the measure arc WXZ?

• 150^o

• 210^o

• 215^o

• 145^o

An arc with a measure less than 180^o is called...

• major arc

• intercepted arc

• minor arc

• a central angle

• semicircle

The part of a circle whose intercepted arc measures 180^o is called...

• major arc

• inscribed angle

• minor arc

• a central angle

• semicircle

An arc with a measure greater than 180^o is called...

• major arc

• intercepted arc

• minor arc

• a central angle

• semicircle

If the measure of arc WZ=115^o, what is the measure of arc WYZ?

• 115^o

• 65^o

• 85^o

• 245^o

When given the appropriate arc measures, to find the measure of red angle, which operation would you use?

• add

• subtract

• multiply

• none, they have equal measures.

When given the appropriate arc measures, to find the measure of red angle, which operation would you use?

• add

• subtract

• multiply

• none, they have equal measures.