1.
Which set of figures must be congruent?
A.
two pentagons with all sides 2 in. long
B.
all answers are correct
C.
two triangles with all sides 2 in. long
D.
two quadrilaterals with all sides 2 in. long
Hint
2.
The triangles below are congruent. Find a.
A.
a
= 7
B.
a
= 6
C.
a
= 8
D.
a
= 5
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.
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.
10
B.
3
C.
all answers are correct
D.
5
Hint
5.
The triangles below are similar. Find
x
.
A.
1
B.
2
C.
5
D.
10
Hint