MATH / PLANE GEOMETRY
Calculate trapezoid area from two parallel side lengths and perpendicular height. Review the equation, substituted values, result, assumptions, and interpretation in one focused workspace.
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Calculate trapezoid area from two parallel side lengths and perpendicular height. The page evaluates the displayed equation from your supplied values and presents both symbolic and substituted KaTeX working so the arithmetic can be checked.
A=(a+b)h/2
What you provide
What you receive
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The entered sides are parallel and height is their perpendicular separation.
Use internally consistent units and retain extra precision when carrying the result into another calculation.
Reviewed reference factors