Angle Relationships: Complete Guide with Video and Examples
Angles can be classified and related to one another in several important ways. Complementary angles sum to 90{^\circ}; supplementary angles sum to 180{^\circ}. When two lines intersect, vertical angles are equal and
Transformations on the Coordinate Plane: Complete Guide with Video and Examples
The coordinate plane lets us describe transformations with precise algebraic rules. Given the vertices of a polygon as ordered pairs, applying a transformation means substituting each vertex into the appropriate rule to
