Segments AB and CD intersect at point O and are halved by it. Prove that AC = BD.
| April 5, 2021 | education
Consider triangles АСО and ВDО, they are equal on two sides: AO = ОВ; DO = CO by condition; <AOC = <DOB, as the angles are vertical, and against these equal angles the sides are also equal: AC = BD.
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