Download : Geometry Formulas PDF

Outline of various topics covered :

Quadrant system

Collinear and concurrent lines

Distance between two lines

Slope of a line

Equations of a line

Equation of circle

Supplementary angles, complementary angles

Transversal theorems

Various types of angles, obtuse angle, acute triangle and right angle

Various types of triangles acute angled triangle, right angled triangle, obtuse angled triangle

what is median, altitude, perpendicular bisector, angular bisector

what is orthocentre, centriod, circumcentre, and their properties with respective various triangles.

Theorems like Pythagoras theorem, Apollonius theorem, Midpoint theorem, Basic proportionality theorem, internal angular bisector theorem and exterior angular bisector theorem and their explanations.

Cyclic quadrilateral, its properties and formulas

Area of an equilateral and isosceles triangle

Similar and congruent triangles.

Formulas for areas of a triangle

special triangles (like 30º, 60º and 90° triangle and 45°,45° and 90° triangle)

Circumradius and inradius

Various properties and formulas of circles and theorems like Inscribed angle theorem,

Area of a sector and segment

Direct and transverse common tangents and their formulas

Regular polygon, number of diagonals and its internal and external angles

Area and formulas for regular hexagonal polygon

Areas of triangle, rectangle, trapezoid, parallelogram, square, rhombus, kite

Volume, total surface area and lateral surface are of different solids like cube, cuboid, pyramid, prism, cylinder, cone, cone frustum, sphere and hemi-sphere

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