Side area of oblique prism s = c' * h
The side area of a regular pyramid is S= 1/2c*h'
The side area of the prism is s = 1/2(c+c')h'
The lateral area of the frustum of a cone is s =1/2 (c+c') l = pi (r+r) l.
The surface area of the ball S=4pi*r2.
The lateral area of the cylinder is s = c * h = 2pi * h
The lateral area of the cone is s =1/2 * c * l = pi * r * l.
The arc length formula l=a*ra is the radian number r > of the central angle; 0
Sector area formula s= 1/2*l*r
Cone volume formula V= 1/3*S*H
Cone volume formula V= 1/3*pi*r2h
Oblique prism volume V=S'L Note: where s' is the straight cross-sectional area and l is the side length.