Prienik priamky s hranolom

Autor:RNDr. Mária Dobranská

Daný je kváder ABCDEFGH s rozmermi |AB| = |BC| = 8 cm, |AE| = 5 cm. Body P, Q ležia na polpriamkach AB a GH, pričom |AP| = 11 cm, |CQ| = 12 cm. a) Zostrojte úsečku XY, ktorá je prienikom priamky PQ s kvádrom.

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