8-4 - Scalene triangles have zero congruent sides. Finding...

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Classifying Triangles Lesson 8-4
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Classifying by Angle Acute triangles have three acute angles. Obtuse triangles have one obtuse angle. Right triangles have one right angle.
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Classifying by Sides Equilateral triangles have three congruent sides. Isosceles triangles have two congruent sides.
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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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This note was uploaded on 11/17/2011 for the course MATH 110 taught by Professor Staff during the Fall '08 term at BYU.

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8-4 - Scalene triangles have zero congruent sides. Finding...

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