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The figure shows a parallelogram ABCD,
A'C' is a transversal line. If a, b, c, and d are the perpendiculars
drawn from A, B, C, and D to the line A'C', respectively,
prove that: a + b = c + d.
Post
a
comment.
See also:
Parallelogram
Trapezoid
Congruence
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