1.
Which problem-solving strategy is used in indirect proofs?
A.
decision-making
B.
draw a diagram
C.
working backward
D.
guess and check
Hint
2.
Name the property that justifies if
AB
<
BC
and
BC
<
CD
,
then
AB
<
CD
.
A.
Transitive Property
B.
Addition Property
C.
Division Property
D.
Comparison Property
Hint
3.
Choose the possible measure for
1 in the figure shown.
A.
11°
B.
180°
C.
0°
D.
110°
Hint
4.
Name the property that justifies if
a
<
b
, then
a
+
c
<
b
+
c
.
A.
Addition Property
B.
Subtraction Property
C.
Transitive Property
D.
Comparison Property
Hint
5.
Complete the section of the indirect proof.
m
W
is a right angle. Therefore,
m
W
= 90° by _______________.
A.
angle addition postulate
B.
definition of a right angle
C.
definition of perpendicular bisectors
D.
definition of perpendicular lines
Hint