Objective - To find missing sides for similar polygons .

1
Objective - To find missing sides for similar
polygons .
Polygons
Name
Drawing
3
Triangle
4
Quadrilateral
5
Pentagon
2
Similar Figures
Similar -
- Same shape.
Y
X
Z
Corresponding Angles
Corresponding Sides
3
List the corresponding angles and sides if ...
I
N
L
O
K
H
J
M
Corresponding Angles
Corresponding Sides
4
Similar Triangles
4
8
3
6
5
10
Proportional Sides


8
6
10


4
3
5
21 ratio
Scale factor 2
5
Find the missing angles.
1)
Y
Z
X
6
Find the missing sides.
2)
Y
Z
X
7
Find the missing sides.
3)
I
B
y
5
3
15
H
J
9
4
x
A
C
12
y
3
4
3


x
9
9
15
3x
36
45
9y


3 3
9 9
x 12
5 y
8
Find the missing sides.
Q
S
4)
x
7 in.
R
4 in.
8 in.
5 in.
y
T
U
4
5
4
7


x
y
8
8
4x
40
4y
56


4 4
4 4
x 10
y 14