Magic faces No. 32. The section of the pyramids

Set for assembling 3 pyramids with a triangular base with cross section.
Each pyramid has mobile parts at the site of the cross -section.
This allows you to see the pyramid entirely and in the context.
collected pyramids allow you to solve the problems to build the following sections:
- Triangle section,
- cross section of an equilateral triangle,
- section is an isosceles triangle,
- Square section,
- Rectangle section,
- section of the quadrangle,
- section of the trapezoid.
The geometric dimensions of each of the 3 finished polyhedra = 120x105x97 mm
The level of complexity is "Start" (does not require experience and additional skills).
In this issue:
- Details of the polyhedron,
- assembly scheme with color photos,
- Description of the polyhedron,
- article- section of the pyramids, the use of the peak formula for finding the area.
A set of parts, made of colored cardboard with varnish coating, the parts are already cut and bent.
packaging - durable polypropylene envelope, A4 format (210x297 mm)