Parallel Isosceles Triangle Lines are parallel if they lie in the same A which has at least two of its plane, and are the sides equal in length same distance apart over their entire length. (Never intersect) Vertical Angles Equilateral Triangle A pair of non- formed A which has all three of its by the of two straight sides equal in length. lines Auxiliary Lines Corresponding Angles <1 and <5 for example A line that us in to help aid in a solution Alternate Interior Angles Alternate Exterior Angles Same Side Interior Angles 1.Find the measure of each labeled angle. Give a reason for your solution 2.Find the measures of angles a, b, c, d, and e. 3.In the diagram below of quadrilateral ABCD with 4.In the diagram below of triangle HQP, side HP is diagonal BD, determine if AB is parallel to DC if extended through P to T. a) Find Explain your reasoning. Topic 7: Proofs/Congruence Triangle Proofs Summary List the 5 ways of proving triangles congruent: 1. 2. 3. 4. 5. Which two sets of criteria CANNOT be used to probe triangles congruent. 1. 2. In order to prove a pair of corresponding sides or angles are congruent, what must you do first?
Parallel Lines are parallel if they lie in the same plane, and are the same distance apart over their entire length. (Never intersect) Isosceles Triangle A which has at least two of its sides equal in length Vertical Angles A pair of non- formed by the of two straight lines Equilateral Triangle A which has all three of its sides equal in length. Auxiliary Lines A line that us in to help aid in a solution Corresponding Angles <1 and <5 for example Alternate Interior Angles Alternate Exterior Angles Same Side Interior Angles 1.Find the measure of each labeled angle. Give a reason for your solution 2.Find the measures of angles a, b, c, d, and e. 3.In the diagram below of quadrilateral ABCD with diagonal BD, determine if AB is parallel to DC if Explain your reasoning. 4.In the diagram below of triangle HQP, side HP is extended through P to T. a) Find Topic 7: Proofs/Congruence Triangle Proofs Summary List the 5 ways of proving triangles congruent: 1. 2. 3. 4. 5. Which two sets of criteria CANNOT be used to probe triangles congruent. 1. 2. In order to prove a pair of corresponding sides or angles are congruent, what must you do first?
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