2. A
B
C
D
Which triangles are congruent? similar?
Explain why they are congruent or similar.

3. Two figures that have the same shape are said to be similar.
When two figures are similar:
Corresponding angles are congruent
Corresponding sides are proportional
To determine if the triangles below are similar, compare their corresponding sides.
Are these ratios equal?

5. 8cm.
4cm.
x cm.
10cm.
Find the value of x.
8 4
10 = x
8x = 4*10
8x = 40
x = 5
Move the
box for
solution

6. 6in.
3in.
9in.
x

7. 6in.
3in.
9in.
x
When three parallel lines are cut by two transversals, the corresponding
angles are congruent and the lengths of the corresponding segments are
proportional.

8. 8in.
5in. 6in.
x
When three parallel lines are cut by two transversals, the corresponding
angles are congruent and the lengths of the corresponding segments are
proportional.
a
b
c
d
e
f
g
h
i
a b c
de = gh
ef hi
If:
Then:

9. 4in.
32in. x
12in.
POD