NAME
DATE
PERIOD
ws-7.2
ws-7.2
Similar Polygons
Determine whether each pair of figures is similar. If so, write the similarity
statement and scale factor. If not, explain your reasoning.
B
1.
E
9
6
A
59°
4
35°
10.5
D
C
59°
W
2.
6
35°
7
P 3 Q
3
3
S 3 R
F
7.5
X
7.5
7.5
Z
Y
7.5
Each pair of polygons is similar. Find the value of x.
3.
A
D
14
12
13
13
4
G
Y
C
26
5.
6.
S
T
P
M
x+1
W
L
U
5
Chapter 7
R
10
3
V
14
T
x+5
4
3
10
S
X
9
x+5
U
T
N
x–1
8
9
Q
W
x
6
F
B
4.
E 7 H
P
x+2
S
Glencoe Geometry
7. PANELS When closed, an entertainment
center is made of four square panels.
The three smaller panels are congruent
squares.
What is the scale factor of the larger
square to one of the smaller squares?
8. WIDESCREEN TELEVISIONS An
electronics company manufactures
widescreen television sets in several
different sizes. The rectangular viewing
area of each television size is similar to
the viewing areas of the other sizes. The
company’s 42-inch widescreen television
has a viewing area perimeter of
approximately 144.4 inches. What is the
viewing area perimeter of the company’s
46-inch widescreen television?
9. ICE HOCKEY An official Olympic-sized
ice hockey rink measures 30 meters by
60 meters. The ice hockey rink at the
local community college measures 25.5
meters by 51 meters. Are the ice hockey
rinks similar? Explain your reasoning.