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Trapezoid Area Calculator
A trapezoid's area from its two parallel sides and the height between them.
Result…
How it's calculated
Area = (a + b) ÷ 2 × h
Gives the area of a trapezoid (trapezium in UK English): the average of the two parallel sides times the distance between them. It is how you find the area of a tapering plot, a sloped wall end or a roof hip face.
Your numbers, step by step
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