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Area of triangular ends * 'depth' = volume
Area of a right triangle = 1/2 leg1 * leg2 need to find leg 2 via pythagorean theorem
sqrt (20.52 -13.32 )= leg2 = 15.6 mm
Area = 1/2 13.3 * 15.6 = 103.74 mm2
Now multiply by depth of 16 mm = 1659.84 mm3