Base angles of an isosceles triangle Chapter 5 (p. 244) The two angles adjacent to the base of an isosceles triangle An isosceles triangle is a triangle...
Coordinate proof Chapter 5 (p. 274) A style of proof that involves placing geometric figures in a coordinate plane A coordinate proof is a method of proving...
Corollary to a theorem Chapter 5 (p. 227) Theorem that states that the acute angles of a right triangle are complementary. A corollary is a statement that...
Corresponding parts Chapter 5 (p. 232) A pair of sides or angles that have the same relative position in two congruent figures In geometry, when two or...
Exterior angles Chapter 5 (p. 225) Angles that form linear pairs with the interior angles of a polygon Exterior angles are angles formed outside of a polygon...