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Geometry /Trigonometry 2
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Unit 4 Study Guide
Congruent Triangles
Section 4.1 Congruent Figures
 Define and identify congruent figures.
 Write congruency statements that align corresponding parts to show they are
congruent.
Section 4.2 & 4.5 Proving Triangles Congruent
 Identify pairs of triangles that are congruent using the ASA, SAS, SSS, AAS, and
HL Postulates.
 Complete two-column proofs about congruent triangles by applying the ASA,
SAS, SSS, AAS, and HL Postulates to
Section 4.3 Using Congruent Triangles
 Complete two-column proofs about congruent segments/angles or parallel lines
by first proving triangles are congruent and then applying CPCTC.
Section 4.4 Isosceles & Right Triangles
 Define and identify the various parts of isosceles and right triangles.
 Calculate side lengths and angle measurements of isosceles triangles.
Section 4.6 Multiple Triangle Congruencies
 Completing two-column proofs by using more than one pair of congruent
triangles.
Section 4.7 Medians, Altitudes, & Perpendicular Bisectors
 Define, identify, and draw medians, altitudes, and perpendicular bisectors.