Unformatted text preview: Definition of Isosceles B = E The base angles of an isosceles triangle are congruent BC = DE Given ABC = AED SAS (Side Angle Side Theorem) AC = AD Corresponding parts of congruent triangles are congruent ACD is an isosceles Definition of Isosceles 1 = 2 The base angles of an isosceles triangle are congruent...
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 Spring '11
 Arthur
 Geometry, Congruence, Pythagorean Theorem, WEEK 2, Proof Problem, triangle, Side Angle Side Theorem

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