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A regular pentagonal pyramid of base side equal to 5 cm is resting on H.P on its pentagon face and section plane is parallel to axis and parallel to edge of base and plane is 2 cm away from axis. The section will be _____________

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A regular pentagonal pyramid of base side equal to 5 cm is resting on H.P on its pentagon face and section plane is parallel to axis and parallel to edge of base and plane is 2 cm away from axis. The section will be _____________

(a) triangle

(b) trapezium

(c) rectangle

(d) pentagon

I have been asked this question during an interview.

This key question is from Sections of  Pyramids topic in chapter Section of Solids of Engineering Drawing

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Correct choice is (b) trapezium

For explanation: If a pyramid is cut by a plane parallel to axis and also parallel to any edge of base then the section formed will be trapezium if the section plane not parallel to edge of base then the section will be triangle.

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