List of Geometry Formulas for Class 12

List of Geometry Formulas for Class 12

A list of the most commonly used geometry formulas for class 12. Math – Geometry Formulas like Polygon Properties, Area Formulas, Surface Area and Volume Formulas, Circle Formula, Perimeter Formulas.
Vectors and Three Dimensional Geometry Formulas for Class 12
Position VectorOP−→−=r⃗ =x2+y2+z2−−−−−−−−−−√
Direction Ratiosl=ar,m=mr,n=cr
Vector AdditionPQ→+QR→=PR→
Properties of Vector AdditionCommutativePropertya⃗ +b⃗ =b⃗ +a⃗ 
AssociativeProperty(a⃗ +b⃗ )+c⃗ =a⃗ +(b⃗ +c⃗ )
Vector Joining Two PointsP1P2−→−−=OP2−→−−OP1−→−
Skew Linescosθ=∣∣∣a1a2+b1b2+c1c2a21+a21+c21√a22+a22+c22√∣∣∣
Equation of a Linex−x1a=y−y1b=z−z1c

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