Vertical Angles Theorem The Vertical Angles Theorem states that when two lines intersect, the pairs of opposite angles formed (also known as vertical angles) are congruent The...
supplementary angles Supplementary angles are a pair of angles that add up to 180 degrees Supplementary angles are a pair of angles that add up to 180...
transversal In mathematics, a transversal is a line that intersects two or more other lines at different points In mathematics, a transversal is a line that intersects...
Complementary angles Complementary angles are a pair of angles whose measures add up to 90 degrees Complementary angles are a pair of angles whose measures add up...
Same-Side Interior Angles postulate The Same-Side Interior Angles postulate, also known as the Consecutive Interior Angles postulate, is a geometric principle that states that when two parallel...