Naming Angles and Segments
Angle Puzzles
Random
Proofs
Logic and Symbols
100
Identify a line segment here.
many answers
100
In triangle ABC, angle A equals 55 degrees and angle B equals 45 degrees.
What is the measure of angle C?
80
100
If point A is the midpoint of segment BC. Write out the two congruent line segments.
AB=AC
100
What proof can be used here?
SSS
100
Triangle ABC is reflected to get a congruent triangle DEF.
Is angle A equal to angle E?
No
200
Identify two congruent line segments.
AM and MB
200
find angle x
109
200
Find the midpoint of the segment (2,4) (-2,6)
(0,5)
200
What proof can be used here?
ASA
200
Triangle ABC is reflected to get a congruent triangle DEF.
Is side AC congruent to side DF?
Yes
300
Identify two sets of vertical angles
answers vary
300
Find angle x and angle y
x=50
y=130
300
If two angles are supplementary what does that mean?
they add to 180
300
Given: Angle GFH is equal to angle IHF
What other info would you need to prove the triangles are congruent using AAS? 
G=I
300
What are the first two steps to doing any geometry problem?
Label and estimate
400
Is point M the midpoint of segment PQ justify your answer
no- not given.
400
Find all other angles here.
c and a=133
b=47
400
Draw two vertical angles.
What do vertical angles mean?
drawing
400
What information would you need to prove that these triangles are congruent using ASA?
answers vary
400
Draw an acute angle
symbol
500
Given that AM=MB what is segment PQ?
Segment bisector
500
What is the measure of angle y
65
500
Sketch two parallel lines. What does parallel mean?
drawing
500
If DB bisects angle B what information would you need to prove that these triangles are congruent using AAS?
A=C
500
If point L is the midpoint of segment AC. Write out the two congruent line segments.
LA=LC