FORMULA FOR MATH 3

ARC LENGTH

• AL = $\frac{m}{360}2\pi3$

• AL = $\frac{m}{360}\pi Rr2$

AREA SECTOR

• AS = $\frac{m}{360}2\pi r^2$

• AS = $\frac{m}{360}\pi r^2$

• AS = $\frac{m}{360}2\pi r$

Volume of sphere

• V = $\frac{1}{3}\pi r^3$

• V = $\frac{4}{3}\pi r^3$

• V = $\frac{4}{3}\pi r^2$

Volume of Cube

• V = $s^3$

• V = $s^2$

• V - LWH

• V = 3s

Volum of Cylinder

• V = $\pi r^2h$

• V= $2\pi r^2h$

• V = $2\pi r^2$

• V = 2 $\pi rh^2$

Volume of Cone

• V = $\frac{1}{3}\pi r^2h$

• V = $\frac{1}{3}\pi rh$

• V = 3 $\pi r^2h$

• V = 3 $\pi rh^2$

Volume of Rectangular Prism

• V = LWH

• V = S³

• V = 3LWH

• V= $\frac{1}{3}$ LWH

Volume of Square Pyramid

• V= $\frac{1}{3}LWH$

• V = $\frac{1}{3}s^2h$

• V= $\frac{1}{2}s^2h$

Volume of Rectangular Pyramid

• V = $\frac{1}{3}LWH$

• V = $\frac{1}{3}s^3$

• V = $\frac{1}{2}LWH$

Density

• D = $\frac{M}{V}$

• D = $\frac{V}{M}$