Properties of Triangle

This topic covers concepts, such as Solution of Triangles, m-n Rule in a Triangle, Relations between Angle and Sides of a Triangle, Projection Formula in a Triangle, Sine Rule, Cosine Rule, Napier's Analogy - Tangent Rule, etc.

This topic covers concepts, such as Trigonometric Ratios of Half Angles of a Triangle, Area of Triangle, General Formula for Area of Triangle, and Heron's Formula for Area of Triangle.

This topic covers concepts, such as Relation in In-radius, Semiperimeter and Area of Triangle, In-radius of a Triangle, Circum-radius of a Regular Polygon, Ex-circles of a Triangle, Lengths of the Angle Bisectors of a Triangle, etc.

This topic covers concepts, such as Distances of the Ex-centres from Sides of Triangle, Distances of the In-centre from Vertices of Triangle, Distances of the Circumcentre from Vertices of Triangle, etc.

This topic covers concepts, such as Distance between Circumcentre and Orthocentre of a Triangle, Distance between Various Centre Points of a Triangle, Distance between Circumcentre and Incentre of a Triangle, etc.

This topic covers concepts, such as Excentral Triangle and Pedal Triangle.