1.
Which pair of ratios forms a proportion?
A.
B.
C.
D.
Hint
2.
Which pair of ratios forms a proportion?
A.
B.
C.
D.
Hint
3.
and
are similar. Find
x
if
z
= 3,
a
= 6,
and
c
= 4.5.
A.
4
B.
7.5
C.
9
D.
2.25
Hint
4.
Given trapezoid
BCD
with median
, find the value of
x
.
A.
9
B.
7.5
C.
10.5
D.
6
Hint
5.
Which triangle is not similar to the other three?
A.
JKL
B.
DEF
C.
GHI
D.
ABC
Hint
6.
Find the value of
y
in the figure.
A.
7
B.
8
C.
5
D.
4
Hint
7.
Find the value of
y
in the figure.
A.
4
B.
5
C.
7
D.
8
Hint
8.
Find
IJ
.
A.
10.5
B.
17
C.
13
D.
10
Hint
9.
Find the value of
x
.
A.
12
B.
8
C.
4.75
D.
6.5
Hint
10.
Given that
is the median of trapezoid
ZYXW
, find the value of
x
.
A.
21
B.
4
C.
15
D.
27
Hint
11.
Two polygons are
similar
if ___________.
A.
they are not congruent
B.
they are the same size and same shape
C.
they are the same shape but possibly different sizes
D.
they are the same size but possibly different shapes
Hint
12.
A scale drawing of a room has a scale of 1 foot = 1.6 inch. How long is a 4.7-foot couch? Round to the nearest hundredth.
A.
0.34 in.
B.
8.36 in.
C.
7.52 in.
D.
2.94 in.
Hint
13.
The actual distance stated is 135 miles. If the scale is 0.5 inches = 15 miles, what is the scale length?
A.
3.8 in.
B.
4.5 in.
C.
18 in.
D.
4050 in.
Hint
14.
A flagpole casts a shadow 15-ft long at the same time a 4-ft tree casts a 6-ft shadow. How tall is the flagpole?
A.
10 ft
B.
22.5 ft
C.
6.25 ft
D.
12.5 ft
Hint