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LaurenCamp29
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Has all congruent corresponding sides and all congruent corresponding angles
Congruent Polygons
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Given ΔJKL ≅ ΔXYZ, write down 3 congruence statements according to angles
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What do you have to remember when you're comparing two triangles?
Go in a clockwise when writing congruence statements
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If 2 angles of one triangle are congruent to 2 angles of another triangle, than the 3rd angles are congruent
Third Angles Theorem
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All 3 Pairs of corresponding sides are congruent and all 3 pairs of corresponding angles are congruent
Congruent Triangles
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What are 2 ways to classify a triangle?
- By the number of congruent sides
- by the type of angles the triangle has
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What type of triangle has all sides congruent?
Equilaterial Triangle
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What type of triangle has at least 2 sides congruent?
Isosceles
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What type of triangle has no congruent sides?
Scalene
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What type of triangle has all 3 angles acute?
Acute triangle
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What type of triangle has only 1 right angle?
Right Triangle
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What type of traingle has only 1 obtuse angle?
Obtuse Triangle
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What type of triangle has all ANGLES congruent?
Equiangular triangle
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What is the sum of a triangle?
180
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If something is equilaterial it is also classified as:
(4) (including equilaterial)
- Equilaterial
- Isosceles
- Equiangular
- Acute
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The measure of the exterior angle of a triangle is equal to the sum of the measures of the 2 remote interior angles
Triangle Exterior Angle Theorem
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Angles furthest away from the exterior angle
Remote Interior angles
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