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### 5 Cards in this Set

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 C-17 Triangle Sum Conjecture The sum of the measures of the angles in every triangle is 180 degrees. Sum of the measures of the angles in every triangle is... C-18 Third Angle Conjecture If two angles of one triangle are equal in measure to two angles of another triangle, then the third angle in each triangle is equal in measure to the third angle in the other triangle. Two angles of a triangle = two angles of another triangle C-19 Isosceles Triangle Conjecture If a triangle is isosceles, the its base angles are congruent. Base angles of isoceles triangles C-20 Converse of the Isosceles Triangle Conjecture If a triangle has two congruent angles, then it is an iscoceles triangles Base angles of isoceles triangles C-21 Triangle Inequality Conjecture The sum of the lengths of any two sides of a triangle is greater than the length of the third side side + side > ?