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Geometry /Trigonometry 2 Name: ____________________________ Date: ____________ Block: ______ 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.