# Calculate 7

Calculate the height of the trapezoid ABCD, where coordinates of vertices are:

A[2, 1], B[8, 5], C[5, 5] and D[2, 3]

A[2, 1], B[8, 5], C[5, 5] and D[2, 3]

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Pythagorean theorem is the base for the right triangle calculator.

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