What is the regular angle that a railroad switch outputs the curve at?

With switches, these angles are referenced to a portion of the switch, not the movable switch points where one may think, but is rather a ratio found in the switch "frog." The frog is the portion ... Read More »

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How to Use a Protractor to Find the Angle Measurements in a Regular Hexagon?

Protractors are used to find both interior and exterior angles in geometric shapes. They are semicircular, with two sets of numbers running in opposite directions from 0 to 180 along their curved e... Read More »
http://www.ehow.com/how_8072287_use-angle-measurements-regular-hexagon.html

How to Calculate the Measure of the Central Angle of a Regular Ten Sided Polygon?

A central angle of a polygon is the angle created from the center point of the polygon to two adjacent vertices. A regular polygon is defined as a polygon where all sides and interior angles are co... Read More »
http://www.ehow.com/how_8519340_calculate-regular-ten-sided-polygon.html

Why is the pentagon the shape of a pentagon not any outer shape in Washington DC?

The building plans was made for another site where it had to have that shape to maximize the use of the land. The building site was changed but the plans kept the old way since it was early war tim... Read More »

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