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Matematyka wokół nas 1

∇OAD≡∇OCB

∇EAC≡∇BAD

<img src="https://prod.odrabiamy-assets.pl/uploads/content_image/image/25394/OE3HVnkNp9cKkI1A%2B5rs8w%3D%3D_b5eedb27a0ba70e862ff2c6c928c676447c1941564d01ec76fab96f59f977270.jpg" width="270" height="90"> &nbsp; ∇ABO≡∇DOC,bo∣AB∣=∣CD∣

<img src="https://prod.odrabiamy-assets.pl/uploads/content_image/image/25399/Q5UgviJgU1VHiSxcUrqdZQ%3D%3D_2fcaf0e7cc434bf095e73e99e8d38c8d43f9c3f240574abaa24a70c5da63d69f.jpg" width="264" height="186"> ∇AED≡∇FBC z cechy kbk, ponieważ ∣∠FBC∣=∣∠DAE∣,∣∠CFB∣=∣∠AED∣

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