Sum of Interior Angles in Polygons

111.41(b)(6)(A)Texas Essential Knowledge and Skills (TEKS) · Math · 10th Grade

verify theorems about angles formed by the intersection of lines and line segments, including vertical angles, and angles formed by parallel lines cut by a transversal and prove equidistance between the endpoints of a segment and points on its perpendicular bisector and apply these relationships to solve problems;

111.41(b)(5)(A)Texas Essential Knowledge and Skills (TEKS) · Math · 10th Grade

investigate patterns to make conjectures about geometric relationships, including angles formed by parallel lines cut by a transversal, criteria required for triangle congruence, special segments of triangles, diagonals of quadrilaterals, interior and exterior angles of polygons, and special segments and angles of circles choosing from a variety of tools;

111.41(b)(1)(F)Texas Essential Knowledge and Skills (TEKS) · Math · 10th Grade

analyze mathematical relationships to connect and communicate mathematical ideas; and