1.
A model plane has a scale of 1:75. If the length of the model is 7 inches, how long is the real plane?
A.
5.25 inches
B.
525 inches
C.
52.5 inches
D.
5,250 inches
Hint
2.
Similar triangles always have _____.
A.
Two congruent corresponding angles with a congruent corresponding side between the angles.
B.
Two congruent corresponding sides with a congruent corresponding angle between the sides.
C.
Three congruent corresponding angles.
D.
Three congruent corresponding sides.
Hint
3.
LMN
and
PQR
are similar. Find the value of
x
.
A.
x
= 11
B.
x
= 9
C.
x
= 10
D.
x
= 12
Hint
4.
Rectangle A has dimensions 17.5 cm by 22.9 cm. Rectangle B has dimensions 4.375 cm by 5.725 cm. Are the two rectangles similar? Why?
A.
Yes, because the ratios of the corresponding sides are the same.
B.
Yes, all rectangles are similar.
C.
Not enough information given
D.
No, because the ratios of the corresponding sides are not the same.
Hint
5.
Triangle
ABC
DEF
. Each side of
ABC
is 1
times longer than the corresponding sides of
DEF
. If the perimeter of
ABC
is 36 centimeters, what is the perimeter of
DEF
?
A.
18 centimeters
B.
54 centimeters
C.
12 centimeters
D.
24 centimeters
Hint