Mathematics, 27.04.2021 05:20 tiap1011
If A(x1, y1), B(x2, y2), C(x3, y3), and D(x4, y4) form two line segments, AB and CD, which condition needs to be met to prove AB is perpendicular to CD?
А.
B.
C.
D.
E.
Answers: 1
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