A right regular pentagonal prism, edge of base 20 mm and height 50 mm…

Question

A right regular pentagonal prism, edge of base 20 mm and height 50 mm, rests on its base with one of its base edges perpendicular to VP. An AIP inclined to HP at $30^{\circ}$ and perpendicular to the VP cuts its axis at a distance of 30 mm from the base. Develop the lateral surface of the truncated prism.

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