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Calculate a trapezoid



Four fields must be filled in. The rest will be calculated
It is provided out that a and c are parallel to each other.
This script is incomplete, because the four details of the trapezoid define it uncommonly.

a: b: c: d:
alpha: beta: gamma: delta:
altitude:
diagonal e: diagonal f:
area:


For the trapezoide it is:
alpha + delta = beta + gamma = 180 degree
area = (a+c)/2 * altitude


time:0.00018600000000002s
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