Volume of a Cross-Gable Roof

5/10solid geometrySymmetry

Problem

figure

As shown in the figure, a “cross-gable” roof is the solid obtained as the union of two right triangular prisms which overlap so that the base of the resulting solid is a square. The triangular cross-section of each prism is an isosceles triangle whose apex angle is 120120^\circ and whose legs have length 33. Find the volume of the solid.

Answer

Solution

Difficulty5/10
Topicssolid geometry, Symmetry

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