Similar Polygons
Some types of polygons
A polygon is a shape that has any
number of straight sides connected at
vertices(corners).

A triangle is a 3 sided polygo...
Polygons are similar when...

Two polygons have equal
corresponding angles

and

The corresponding sides are proportional
...
Are these similar polygons???


        6
                                3
2                        1
Which of the following are similar polygons??


          10
                           6
                                ...
H
           A
                                                                  0
               95
                    0...
Find the missing side HL


                                                                   H
                          ...
Find the missing sides HL, JK, BC, DE




                                                                       L
       ...
Read Pages 154-156

Do questions 2,3,5,6,10,12
pages 157-158
Jan. 5 Similar Polygons
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Jan. 5 Similar Polygons

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Jan. 5 Similar Polygons

  1. 1. Similar Polygons
  2. 2. Some types of polygons
  3. 3. A polygon is a shape that has any number of straight sides connected at vertices(corners). A triangle is a 3 sided polygon. A square is a 4 sided polygon.
  4. 4. Polygons are similar when... Two polygons have equal corresponding angles and The corresponding sides are proportional We have already studied a special case of similar polygons Similar triangles
  5. 5. Are these similar polygons??? 6 3 2 1
  6. 6. Which of the following are similar polygons?? 10 6 5 8 A 5 B 4 C
  7. 7. H A 0 95 0 E 95 L 0 0 160 0 B 0 100 I 100 160 0 115 D 0 0 115 70 K C 0 70 Name all of the corresponding angles J Set up proportions of all corresponding sides
  8. 8. Find the missing side HL H 0 A 2.25 95 2.2 L 1.5 95 0 0 0 0 E I 100 160 2.4 B 100 0 160 1.6 0 0 115 D 115 K 3 70 0 4.5 2.5 0 C 70 3.75 J
  9. 9. Find the missing sides HL, JK, BC, DE L A 0 2.4 0.75 H B 0 0 95 0 16 0 10 0 0 1 95 5 K 2.25 11 16 0 E 0 0 0 11 10 5 0 70 0 D I 0 C 2.7 4 70 J
  10. 10. Read Pages 154-156 Do questions 2,3,5,6,10,12 pages 157-158
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