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Many people cringe when geometry is mentioned, but anyone involved in building could use it to painlessly solve many problems. This most valuable of tools is well explained in this text.

It starts with the easy parts and moves you along gradually to the more complex, and it teaches by relating the various principles to practical situations. Some examples of these are finding louver spacing, finding the shape of the hole for a chimney in a sloped roof, calculating cement mix ratios, glue mixes, and stairbuilding.

Softcover, 8 1/2" × 11", 196 pages, 1981.

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