HOSTING A TOTAL OF 318 FORMULAS WITH CALCULATORS

## Lateral Surface Area of a Frustum of Right Circula

The lateral area of the frustum of a right circular cone is equal to one-half the sum of the circumference of the bases multiplied by slant height.

Frustum of a right circular cone is that portion of right circular cone included between the base and a section parallel to the base not passing through the vertex.

## $\mathrm{\Pi s}\left[l+r\right]$

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