Vědro na vodu je zhotoveno z plechu , má tvar komolého rotačního kuželu a nemá víko, průměr dna je 24 cm, průměr horního okraje je 32 cm a strana má délku 30 cm. Kolik váží vědro, jestliže 1 m2 plechu váží 10,5 kg? Kolik litrů vody se vejde do vědra? Děkuju moc předem za pomoc.
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