Advanced Geometry by H.C. Rajpoot-2014

Geometry Level pending

A right circular cone with apex angle, 2α=90 degree is thoroughly cut by a plane at a normal distance, h=7 cm from the apex point & inclined at θ=60 degree with the axis of cone.
Find out the area (in sq. cm) of generated elliptical section.

Take, pi = 22/7

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