App description

Formula for calculating geometric parameters related to the ridge:

\(S=an+F1+F2\)

\(S1=an\)

\(V= \frac{1}{3} h(F1+F2+√(F1F2)\)

In the formula:

• a---combined trapezoidal area
• n---combined trapezoidal number
• S1---side surface area
• F1, F2--- bottom area
• h---side spacing

Usage example

Input data:

A—area of a combined trapezoid: 8

n—Number of combined trapezoids: 4

F1—the area of the parallel ground 1:2

F2—the area of the parallel ground 2:4

H—the height between the bottom faces: 15

Click "Calculate" to output data

Prism surface area: 38

Prismatic side surface area: 32

Prismatic volume: 44.14

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