PROJECTION RULE, HALF ANGLE FORMULA AND AREA OF TRIANGLE

PROJECTION FORMULAE-FISCHER PROJECTION 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

Triangle (त्रिभुज)|Sine Rule (ज्या नियम)|Questions (प्रश्न)|Cosine Rule (कोज्या नियम)|Projection Formulae (प्रक्षेप सूत्र)|Trigonometrical Ratios Of Half Angles Of A Triangle (एक त्रिभुज अर्द्ध कोणों का त्रिकोणीय अनुपात)|Some Other Formulae (कुछ अन्य नियम

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

Area OF triangle || Squas Rule || Area OF quadrilateral || Condition OF Collinearity || Area OF n sided polygon

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

Questions OF half angle formula || Centres OF Triangle ( Incentre , Circumcentre ) & Illustration

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