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Integrated Math 4
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Daily Openers
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Go over and collect homework
Day 30
7.2 Similar Polygons
7.2 Similar Polygons
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Similarity – figures that are the same shape, but not necessarily the
same size.
Similar Polygons – figures with corresponding angles  and
corresponding sides proportional.
’s are similar if they have the same angle measures.
Polygons are similar if their corresponding angles are congruent and their
corresponding sides form the same ratio (proportional).
 the symbol for Similar is 
Ex. Determine the missing sides.
Ex. Determine the missing sides.
Ex. Determine the missing sides.
Ex. Determine the missing sides.
Homework – pages 302–303 #1–8, 12, 14, page 684 Extra Practice 7.2 #1–8
m 10
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3 15
3 x4
2. Solve: 
4
12
m 12
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3. Solve:
3 m
4
16
4. Solve:
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y 2 5 y
Daily Openers – 1. Solve:
5. Write an equation of a line passing through the points: (9, -8) and (7, -5)