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Bazén tvaru kvádru je hluboký 120 cm. Délka bazénu je dvakrát větší než jeho šířka, v bazénu je 21600 litrů vody. Určete rozměry bazénu. Jak dlouho se bude bazén napouštět, přiteče-li za minutu 120…
Podstavou kolmého hranolu je pravoúhlý trojúhelník s odvěsnami 6 cm 8 cm. Objem hranolu je 0,72 〖dm〗^3. Urči jeho povrch.
dobrý den, pomohl by mi někdo s touto otázkou? Kolik metrů čtverečních plechu je třeba na zhotovení 30 m okapových rour tvaru válce o průměru 10 cm, když počítáme s 5% odpadem?
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