Detroit. Public schools. Dept. of instruction, teacher training and research. [from old catalog], Kepler, Frank Roy. [from old catalog] · Detroit · leaf 30
ane, 30° to H and perpendicular to V, sothat it is 2% high on the extreme left. Prob. 20. Truncated Hexagonal Prism. The hexagonalbase is parallel to H and is 2 across the flats. The prism iscut by a plane, 30° to H and perpendicular to V, leaving it2%^ high on the extreme left. Prob. 21. Make the… … F/G. 31 Prob. 22. Truncated Square Pyramid. A square pyra-mid, with base parallel to H and sides of base 45° to V, is cutby a plane at 45° to H and perpendicular to V, V2 above thebase on the right-hand edge. The base is 1% square andthe height of the original pyramid 3^. Prob. 23. Truncated…
Projection
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