Geometry Building Blocks
Geometry building blocks reviews elementary concepts on the subject, including the definition of terms related to shapes like lines, angles, triangles, polygons, and circles.
Three Undefined Terms: Point, Line, and Plane
Counterexample
Writing a Good Definition
Postulate, Axiom, Conjecture
Converse
Line Segments
Rays
Parallel and Skew Lines
Midpoints and Congruent Segments
Parallel Planes and Lines
Vertex and Diagonals
Calculating the Midpoint
Angles: Types and Labeling
Using a Protractor
Angle Bisectors
Supplementary and Complementary Angles
Polygons
Types of Triangles
Perimeter
Parts of a Circle