Similar Figures

1
Similar Figures
2
Definition

• Two polygons or solids are similar if
  corresponding angles are congruent and
  corresponding sides are proportional. The
  symbol, , means is similar to.

3
Example
Q
10
A
8
5
4
R
C
S
B
3
6
4
Find the value of x if the parallelograms are
similar
15
6
10
x
5
Find the value of x if the triangles are similar
10
10
4
4
x
5
6
Find the value of x if the rectangles are similar
9
12
x
6
7
Find the value of x and y if the rectangular
prisms are similar
9
y
7
15
x
60
8
Find the value of x and y if the triangular
prisms are similar
y
x
10