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Unformatted text preview: Scalene triangles have zero congruent sides. Finding Missing Angles • The three angles of a triangle always add to 180°. • Use a variable to stand for the missing angle and set an equation equal to 180. x + 49 + 47 = 180 x + 96 = 180 – 96 = 96 x = 84 Homework Time!...
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 Fall '08
 Staff
 Angles, Trigraph, 1 80°, va ria, tria ngle

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