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Similar Triangles

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Similar Triangles Geometry Ms. Hough 7-3 Angle Angle Similarity If two angles of one triangle are congruent to two angles of another triangle, then the two triangles ... – PowerPoint PPT presentation

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Title: Similar Triangles


1
Similar Triangles
  • Geometry
  • Ms. Hough
  • 7-3

2
Angle Angle Similarity
  • If two angles of one triangle are congruent to
    two angles of another triangle, then the two
    triangles are SIMILAR

3
Side Angle Side Similarity
  • If two sides of two triangles of proportional,
    and the included angles are congruent, then the
    triangles are similar

75
ax
bx
75
a
b
4
Example 1
  • Find AE and DE

C
A
x - 1
5
2
E
B
x 5
D
5
Example 2
  • Determine whether the pair of triangles are
    similar. Justify your answer

40
20
120
120
6
Class Work
  • Complete 7-3 SGI
  • HOMEWORK
  • Page 400, Problems 1-5
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