Basic Geometry Concepts

1.1 Points, Lines & Planes1.2 Line Segment1.3 Rays and Angles1.4 Some special angles1.5 Angles made by a transversal1.6 Transversal across two parallel lines1.7 Conditions for parallelism2.1 Introduction to Triangle 2.2 Sum of the angles of a triangle2.3 Types of triangles2.4 Altitude, Median and Angle Bisector2.5 Congruence of triangles2.6 Sides opposite congruent angles3.1 Definition of polygon 3.2 Terminology3.3 Sum of Interior angles of a Polygon3.4 Sum of exterior angles of a Polygon3.5 Trapezoids3.6 ParallelogramsConditions for a parallelogram3.7 Square, Rectangle and Rhombus4.1 Perimeter4.2 Square4.3 Rectangle4.4 Parallelogram4.5 Triangle4.6 Trapezoids4.7 Circles5.1 Introduction to similarity 5.2 Ratio and Proportionality5.3 Similar Polygons5.4 Basic Proportionality Theorem5.5 Angle bisector theorem5.6 Similar Triangles5.7 Properties of Similar triangles6.1 The Right Triangle6.2 The Theorem of Pythagoras6.3 Special Right Triangles7.1 Introduction to circle 7.2 Lines of a Circle7.3 Arcs7.4 Inscribed angles7.5 Some properties of tangents, secants and chords7.6 Chords and their arcs7.7 Segments of chords secants and tangents7.8 Lengths of arcs and areas of sectors8.1 Introduction to Solid Geometry8.2 Prism8.3 The cuboid and the cube8.4 Circular Cylinders8.5 Pyramids8.6 Right circular cone8.7 Sphere9.1 Points and Co-ordinates9.2 Co-ordinates and Axes9.3 Quadrants9.4 Distances and Distance Formula9.5 Mid point Formula9.6 Slope of a LineSlope of Parallel Lines9.7 Equation of a line