Triangles - PowerPoint PPT Presentation

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Triangles

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Triangles Types of Triangles Equilateral triangle: A triangle with three congruent (equal) sides and three equal angles These marks indicate equality. – PowerPoint PPT presentation

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Title: Triangles


1
Triangles
2
Types of Triangles
  • Equilateral triangle three congruent (equal)
    sides and three equal angles

These marks indicate equality.
3
Types of Triangles
  • Isosceles triangle two congruent (equal) sides

4
Types of Triangles
  • Right triangle Has only one right angle (90
    degrees)

This box indicates a right angle or a 90-degree
angle.
5
Types of Triangles
  • Scalene triangle A triangle that has no
    congruent (equal) sides

6
Interior Angles
  • Interior angles of a triangle always equal 180
    degrees.

7
Example
  • Find the missing angle

xo
96o
39o
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