![]() Most scientific calculators (and even the calculators built into smart phones) have these functions. The relatively simple math formulas of sine, cosine, and tangent can be used to determine the angles of the triangle, and, therefore, the necessary angles of your pipe bend(s). No matter how the tube is bent in this configuration (or how the triangle is oriented), one of the angles of the triangle will be 90° the other angle will depend on the first angle (d), and can be calculated as (90 – d). The “d” represents the angle at which the pipe is bent. The lengths/sides of the triangle are labeled “a,” “b,” and “c”. The black line represents an offset bend in a tube the red triangle represents the triangular geometry this offset creates. For example, if your die creates a 2.2 radius, and you need to create a 35° bend, your calculations would look something like this: to calculate one degree of. ![]() ![]() Most bends other than 90° can be calculated using the geometry of a triangle. ![]()
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