Chapter 15 Angles, Angles, Angles!!

Classifying Angles

100

Which angle has a measure closest to 45 degrees?

                 

acute

200

What is the name of an angle that measures 180 degrees?

straight

300

Reflex Angle 

400

If an angle measures 150 degrees, what type of angle is it?

obtuse

500

How many degrees could this angle be?

A) 45^o   B) 95^o   C) 155^o    D) 177^o

C) 155^o

What Makes Sense?

100

What is the best choice of measure for this angle?

A: 95^o, B: 85^o, C: 90^o, D: 105^o

B: 85^o

200

What measure makes sense?

A: 110^o, B: 65^o, C: 45^o, D: 145^o

A: 110^o

300

What measure makes sense?

A: 180^o, B: 200^o, C: 175^o, D: 90^o

D: 90^o

400

What measure makes sense for two right angles?

A: 89^o, B: 90^o, C: 180^o, D: 290^o

C: 180^o

500

How many degrees is a circle?

360^o

Naming Angles (not the type <ABC)

100

TUV or VUT

200

DEF or FED

300

Name the vertex?

Q

400

How many angles are in this picture?

3 angles

BCD, DCE, BCE

500

Name the largest angle. 

INM or MNI

Missing Angles

100

Find the missing angle x:

x = 40

200

Find the missing angle a: 

a = 30

300

Find the missing angle f:

f = 165

400

Find the missing angle x: 

x = 41

500

Find the missing angle d: 

d = 151