1.
Identify the angle that is congruent to
d
.
A.
B.
C.
D.
Hint
2.
Which pentagon is similar to pentagon
ABCDE
?
A.
B.
C.
D.
Hint
3.
A triangle has sides of 6 in., 9 in., and 15 in. It is scaled to make a new triangle with one side that is 3 in. What might the scale factor be?
A.
B.
C.
all answers are correct
D.
Hint
4.
Which set of ratios is equivalent?
A.
4:3 and
B.
and
C.
2:7 and 8:14
D.
and 3:2
Hint
5.
Find the area of the triangle after it has been scaled by a factor of
.
A.
10 cm
2
B.
23.09 cm
2
C.
17.32 cm
2
D.
13.33 cm
2
Hint
6.
These two figures are similar. What is the scale factor from the large figure to the small figure?
A.
, or 0.67
B.
, or 0.5
C.
, or 0.75
D.
, or 0.33
Hint
7.
A sports utility vehicle has a surface area of 553 ft>
2
. A scale factor from the real S.U.V. to the model is 0.18. What is the surface area of the model?
A.
23.36 ft
2
B.
99.54 ft
2
C.
17.92 ft
2
D.
5.53 ft
2
Hint
8.
These two figures are similar. What is the scale factor from the small figure to the large figure?
A.
6
B.
4
C.
5
D.
7
Hint