Congruent and Similar Polygons

1. CONGRUENT AND SIMILAR
POLYGONS

2. Congruent
means the same

3. Congruent Polygons
- are polygons with exactly the
same side and angle
measurements
- they have exactly the same
size and shape
- identical
≅

6. Example 1:
ΔABC ≅ ΔXYZ

7. Example 2:
ABC ≅ XYZ

8. Similar Polygons
- are polygons with the same
shape that could be of the
same sizes, but they could
also be of different sizes.
- Similar polygons have their
corresponding sides
proportional to each other.

9. Example 3:
The quadrilateral below are similar. The ratio of their
corresponding sides is 1:2.

10. Try this!
Find the missing side of the following similar polygons.
n=2

11. Try this!
Find the missing side of the following similar polygons.
n=16

12. Try this!
Find the missing side of the following similar polygons.
n=3