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2. Set square - Wikipedia

   en.wikipedia.org/wiki/Set_square

   Variants in larger sizes, with fixed or detachable handles, with or without bevelled edges (facets), and with or without ink nodules or embossed labels exist as well. Some variants have extra markings at angles of 7° and 42° (138° and 173°) in addition to the normal 45° and 90° markings to ease dimetric axonometry per ISO 5456-3, [ 8 ...

3. Special right triangle - Wikipedia

   en.wikipedia.org/wiki/Special_right_triangle

   Set square shaped as 45° - 45° - 90° triangle The side lengths of a 45° - 45° - 90° triangle 45° - 45° - 90° right triangle of hypotenuse length 1.. In plane geometry, dividing a square along its diagonal results in two isosceles right triangles, each with one right angle (90°, ⁠ π / 2 ⁠ radians) and two other congruent angles each measuring half of a right angle (45°, or ...

4. Reuleaux triangle - Wikipedia

   en.wikipedia.org/wiki/Reuleaux_triangle

   The Reuleaux triangle has been used as the shape for the cross section of a fire hydrant valve nut. The constant width of this shape makes it difficult to open the fire hydrant using standard parallel-jawed wrenches; instead, a wrench with a special shape is needed.

5. Framing (construction) - Wikipedia

   en.wikipedia.org/wiki/Framing_(construction)

   Light frame material dimensions range from 38 by 89 mm (1.5 by 3.5 in); i.e., a Dimensional number two-by-four to 5 cm by 30 cm (two-by-twelve inches) at the cross-section, and lengths ranging from 2.5 metres (8.2 ft) for walls to 7 metres (23 ft) or more for joists and rafters.

6. Engineering drawing - Wikipedia

   en.wikipedia.org/wiki/Engineering_drawing

   Given this ease of changing sizes, it is of course common to copy or print a given document on different sizes of paper, especially within a series, e.g. a drawing on A3 may be enlarged to A2 or reduced to A4. The US customary "A-size" corresponds to "letter" size, and "B-size" corresponds to "ledger" or "tabloid" size.

7. Dietitians Say These Are the Best Diets for Weight Loss in 2025

   www.aol.com/dietitians-best-diets-weight-loss...

   "Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." With 2025 approaching, you might be thinking about your New Year’s resolutions.Many of these goals ...