Mathematics
Mathematics, 30.10.2020 20:30, BitFox1684

Triangle A B C is shown. Lines are drawn from each point to the opposite side and intersect at point D. They form line segments A G, B E, and C F. In the diagram, which must be true for point D to be an orthocenter?

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Triangle A B C is shown. Lines are drawn from each point to the opposite side and intersect at point...

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