Napier Analogy || Area OF triangle || Half angle formula

Napier Analogy : Tangent formula & proOF || Illustration || Area OF triangle || Half angle formula & Examples

Illustration based on area OF triangle Napier analogy || Half Angle formula

Derivation OF Formula || Area OF triangle || Tangent Rule and Half Angle Formula

Illustration Based On Area OF Triangle Napier Analogy and Half Angle Formula

Perimeter|Area |Area Of Triangle|Area Of Triangle - By Heron's Formula|Practice Problem|NCERT Example|OMR

Half angle formula||Centres OF triangle

Discussion OF Exemplar Question and Exercise-12.1||Heron's formula||If side OF triangle is lemda square times OF old triangle||Area OF Equilateral ||Isosceles and Right angle triangle

Prove that area of an equilateral triangle formed on one side of a given square is one half of area of equilateral triangle formed on diagonal is the same square.

If perimeter of a triangle is x cm and its sides are p,q and r cm. what will be the area of triangle ? Use the heron's formula.

Introduction||Area OF square||Rectangle||Circle||triangle||Perimeter OF circle|| Triangle||square and rectangle||Quadrilateral||Hexagon||Pentagon||Semi Perimeter OF Triangle||ProOF OF Heron's Formula