Solid Mensuration: truncated octagonal right prism

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Solid Mensuration: truncated octagonal right prism

The top plane of the truncated octagonal right prism shown in the figure below is 45° with respect to horizontal. Find the volume.14636615518501494221760.jpg


What I did was to cut the figures into 2 separate figures, So that i can have a regular octagonal right prism. Then I computed for the regular's volume. Since the angle is 45 I assumed that the remaining figure is half the regular octagonal prism i separated. Therefore, the total volume= regular x 1.5

JC's picture

may I know what is the title and author of your book? pls.

John Carlo Tela...
John Carlo Telan Panganiban's picture


Eto gamit niya siguro sir

fitzmerl duron
fitzmerl duron's picture


Alternate solutions are encouraged......

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