Development of Lateral Surfaces of Solids Pentagonal Pyramid 01

Описание к видео Development of Lateral Surfaces of Solids Pentagonal Pyramid 01

A regular pentagonal pyramid of side of base 35 mm and altitude 65 mm has its base on HP with a side of base perpendicular to VP. The pyramid is cut by a section plane which is perpendicular to the VP and is inclined at 30° to HP. The cutting plane meets the axis of the pyramid at a point 30mm below the vertex. Obtain the development of the remaining part of the pyramid

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