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Published byOscar Henderson Modified over 9 years ago
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Warm-up
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Legs: Congruent sides Of an isosceles triangle Base: Third side of an Isosceles triangle Vertex Angle: the angle the two legs form Base Angle: the angle formed by the leg and the base
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If the two legs are congruent, then the base angles are congruent
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The converse is also true. If _______________ are congruent, then _____________are congruent.
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If we can prove a triangle to be isosceles, then we can prove two angles to be perpendicular, and we can prove that line of symmetry to be a midpoint.
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What is the value of x?
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When you are finished with your quiz… You are to work on Pg. 254 #6 – 13, 16-19
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