1.
Determine whether the triangles are similar. Explain why or why not.
A.
no;
x
= 85
B.
no;
y
= 65
C.
yes;
x
= 85
D.
yes;
y
= 55
Hint
2.
If
, what is length of
?
A.
5.6 m
B.
4.5 m
C.
1.8 m
D.
1.6 m
Hint
3.
If the triangles are similar, what is the value of
a
?
A.
11.2
B.
8.4
C.
7
D.
4.48
Hint
4.
A 6-foot tall person casts a 2.5-foot long shadow at the same time that a building casts a 40-foot long shadow. How tall is the building?
A.
104 feet
B.
16 feet
C.
96 feet
D.
600 feet
Hint
5.
A tree casts a 20-foot long shadow at the same time that a 3-foot tall mailbox post casts a 1.2-foot long shadow. How tall is the tree?
A.
18 feet
B.
72 feet
C.
8 feet
D.
50 feet
Hint