1.
Which set of figures must be congruent?
A.
two pentagons with all sides 2 in. long
B.
all answers are correct
C.
two quadrilaterals with all sides 2 in. long
D.
two triangles with all sides 2 in. long
Hint
2.
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
3.
A triangle has sides of 2 cm, 3 cm, and 4 cm. It is scaled to make a new triangle with one side that is 10 cm. What might the scale factor be?
A.
all answers are correct
B.
10
C.
5
D.
3
Hint
4.
Which set of ratios is equivalent?
A.
and
B.
and 3:2
C.
4:3 and
D.
2:7 and 8:14
Hint
5.
The triangles below are similar. Find
x
.
A.
2
B.
10
C.
1
D.
5
Hint