Question

Problem 4
Got It?
Got It?
Draw a diagram
to help
you visualize what you
are given and what you
need to fi nd.
Lesson 1-5
Exploring Angle Pairs
37
3.
a.
Reasoning
How can you check your results in Problem 3?
b.
/
ADB
and
/
BDC
are a linear pair.
m
/
ADB
5
3
x
1
14
and
m
/
BDC
5
5
x
2
2. What are
m
/
ADB
and
m
/
BDC
?
An
angle bisector
is a ray that divides an angle into two congruent
angles. Its endpoint is at the angle vertex. Within the ray, a segment
with the same endpoint is also an angle bisector. Th
e ray or segment
bisects the angle.