← Geometry Export Options Alphabetize Word-Def Delimiter Tab Comma Custom Def-Word Delimiter New Line Semicolon Custom Data Copy and paste the text below. It is read-only. Select All 1-6 If the exterior sides of two adjacent angles or perpendicular then the angles are complementary 1-4 Adjacent angles formed by perpendicular are congruent 1-3 Vertical angles are congruent 1-5 if two lines form congruent adjacent angles then the lines are perpendicular