1.
Which pair of triangles is similar?
A.
B.
C.
D.
Hint
2.
and
are similar. Find
b
if
x
= 15,
y
= 6,
and
a
= 7.5.
A.
6
B.
12
C.
7.5
D.
3
Hint
3.
and
are similar. Find
a
if
x
= 7,
y
= 1,
and
A.
B.
1
C.
D.
Hint
4.
and
are similar. The ratio of
to
is
Find
if
is 12.
A.
12
B.
16
C.
D.
9
Hint
5.
A tree that is 5 feet tall casts a shadow 2 feet long. A nearby building casts a shadow that is 20 feet long. How tall is the building?
A.
0.5 ft
B.
50 ft
C.
20 ft
D.
10 ft
Hint