GEOMETRY HELP!!! (GEOMETRY OF THREE DIMENSIONS)?

AEC is congruent to BED and each segment is the perpendicular bisector of the other. Prove that A,B,C,D must lie in a plane and form a square

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  • 8 years ago
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    ok so Triangle AEC is congruent to Triangle BED? each segment.... as in.... AE is perpendicular to EC and BE is perp to BD? so that would mean that those two angles are right angles, which makes them congruent.... i dont know if im going in the right direction with this, we did proofs last semester, but think about the way you would prove that 2 triangles form a parallelogram, then narrow it down to the characteristics of a square

    A________E

    |_| |

    | |

    | _|

    |_______|_|

    C B

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