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 Vector	OP−→−=r⃗ =x2+y2+z2−−−−−−−−−−√
Direction Ratios	l=ar,m=mr,n=cr
Vector Addition	PQ→+QR→=PR→
Properties of Vector Addition	CommutativePropertya⃗ +b⃗ =b⃗ +a⃗  AssociativeProperty(a⃗ +b⃗ )+c⃗ =a⃗ +(b⃗ +c⃗ )
Vector Joining Two Points	P1P2−→−−=OP2−→−−OP1−→−
Skew Lines	cosθ=∣∣∣a1a2+b1b2+c1c2a21+a21+c21√a22+a22+c22√∣∣∣
Equation of a Line	x−x1a=y−y1b=z−z1c