App description

The upper figure is a regular polygonal pyramid whose bottom edge is a regular polygon whose sides are all congruent isosceles triangles, and its vertices are perpendicular to the bottom surface.

Usage example

Input data:

Number of sides of the regular pyramid: 5; length of the bottom side: 4; height: 6

Click "Calculate" to output data

Volume: 55.055;

Body area: 27.528;

Slant height: 6.6013;

Edge length: 6.8977;

Bottom angle: 73.145;

Vertex angle: 33.71;

Oblique angle: 65.355;

Corner angle: 60.442;

Lateral area: 13.203;

Lateral area sum: 66.013;

Total area: 93.541;

Side perimeter: 17.795;

Bottom perimeter: 20;

Bottom angle:108;

Bottom angle sum: 540;

Bottom outer corner: 72;

Bottom center angle: 72;

Circumferential radius: 3.4026;

Inscribed circle radius : 2.7528

 

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