Points A (4; 2) B (5; 7) C (-3; 4) D (-4; 1) are given. Prove that ABCD is a parallelogram.
| December 21, 2020 | education
Construct coordinate lines x (x) and igrik (y). And mark the points, the first number is on the x-axis, the second number is on the y-axis. But according to these data, the parallelogram does not work, therefore it is an ordinary quadrangle.
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