topic

  Table of Content    
 

 
Plane Geometry
  • Points
  • Straight Lines
  • Line Segments
  • Ruler Postulate
  • Midpoint of a Segment and Bisector
  • Rays

 
Types of Lines
  • Intersecting Lines
  • Perpendicular Lines
  • Parallel Lines
  • Transversal
  • Parallel Lines Cut by a Transversal

 
Angles
  • Protractor
  • Angle Addition Postulate
  • Congruent Angles
  • Straight Angle
  • Right Angle
  • Acute Angle
  • Obtuse Angle

 
Pairs of Angles
  • Adjacent Angles and Linear Pair
  • Complementary Angles
  • Supplementary Angles
  • Vertical Angles
  • Angle Bisector

 
Symmetry
  • Line Symmetry
  • Point Symmetry
  • Rotational Symmetry
  • Translational Symmetry
  • Glide-Reflectional Symmetry
  • Reasoning and Proof

 
Triangles
  • Construction of a Triangle
  • Types by Sides
    • Equilateral Triangles
    • Isosceles Triangles
    • Scalene Triangles
  • Types by Angles
    • Right Triangles
    • Obtuse Triangles
    • Acute Triangles
    • Equiangular Triangles
  • Congruence
  • Similarity
  • Similar Triangles

 
Polygons
  • Quadrilaterals
  • Types of Quadrilaterals
  • Parallelogram
  • Rectangle
  • Rhombus
  • Square
  • Trapezoid

 
Quantitative Properties
  • Perimeter
  • Area
  • Area of a Square or a Rectangle
  • Area of a Parallelogram
  • Area of a Triangle
  • Area of a Trapezoid
  • Pythagorean Theorem
  • Explanations of the Pythagorean Theorem

 
Circles
  • Radius, Diameter, and Chord
  • Locating the Center of a Circle
  • Circumference and Circumference to Diameter Ratio
  • Area of a Circle
  • Central Angles and Arc
  • Inscribed Angles
  • Concentric Circles
  • Tangents to a Circle

 
The Three-Dimensional World