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Chcem sa opýtať či to mám dobre Ďakujem Ondrej
Vypočítaj obsah štvorca ktorého uhlopriečka má dížku 7cm.
S=u2÷2
S=7.7=49cm÷2=24,5
S=24,5 cm2
Dobrý deň, potrebovala by som pomoc s touto úlohou: Pravidelný 4-boký ihlan má veľkosť bočnej hrany s = 2 a , strana jeho štvorcovej podstavy má veľkosť a=5 . Vypočítajte objem a povrch ihlana. …
Dobrý deň, vedel by mi niekto pomôcť s touto úlohou? Vopred ďakujem! Veľkú kocku s objemom 125 cm3 sme zafarbili na červeno. Potom sme kocku rozrezali na malé kocky s objemom 1 cm3, ktoré sme…
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