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Dobrý deň, ako sa prosím dopracovať k výsledku v tejto úlohe?Jeden z vnútorných uhlov kosoštvorca meria 120° a kratšia uhlopriečka 3,4 m. Vypočítaj obvod kosoštvorca. Aké je odôvodnenie riešenia?…
Dobrý deň, prosím poradíte mi z otázkou 20? Neviem si s ňou rady. Vopred veľmi pekne ďakujem :) .
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