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Geometry Formulas
Term | Definition |
---|---|
Si | (n-2) (180) |
Se | 360 |
Diags | n(n-3)/2 |
Point-slope | y-y1=m(x-x1) |
Standard Form | Ax+By=C |
Distance | Root [(x2-x1)2 + ( y2-y1)2] |
Midpoint | (x1+x2/2 , y1+y2/2) |
Standard Deviation | Root [ sum of (x-mean)2] / n-1 |
Area of Trapezoid | 1/2h(b1+b2) |
Area of Regular Polygon | 1/2 apothem x perimeter |
Volume of Right Prism | Area of base x height |
Volume of Pyramid | 1/3 Area of base x height |
Volume of Cylinder | Area of base x height |
Volume of Cone | 1/3 Area of base x height |
Volume of Sphere | 4/3 pie r3 |
Lateral Area of Right Prism | Perimeter of base x height |
Lateral Area of Pyramid | 1/2 Perimeter of base x slant height |
Lateral Area of Cylinder | Circumference of base x height |
Lateral Area of Cone | 1/2 Circumference x slant height |
Area of Sphere | 4 pie r2 |