1.
Determine whether the triangles are similar. If not, explain why not.
A.
no,
a
= 30
B.
yes
C.
no,
b
= 110
D.
no,
b
= 40
Hint
2.
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.
525 inches
B.
5.25 inches
C.
5,250 inches
D.
52.5 inches
Hint
3.
A
and
D
are corresponding angles of similar triangles. Find the value of
x
if
m
A
= 45°and
m
D
= 0.25
x
– 3.75.
A.
x
= 195
B.
x
= 170
C.
x
= 180
D.
x
= 165
Hint
4.
Triangle
ABC
is similar to triangle
DEF
. Find the length of
.
A.
16
feet
B.
6 feet
C.
15 feet
D.
37
feet
Hint
5.
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, all rectangles are similar.
B.
No, because the ratios of the corresponding sides are not the same.
C.
Not enough information given
D.
Yes, because the ratios of the corresponding sides are the same.
Hint