Mathematics, 20.09.2019 14:30, dom546

Fie abcda'b'c'd' o piramida dreapta cu baza un patrat abcd. lungimea laturilor ab si aa' sunt direct proportionale cu numerele 3 si 4. aria totala a prismei este egala cu 594 cm patrati. calculati:
a) lungimile laturilor ab si aa'
b) sinusul unghiului format de ad' cu planul (bdd')
imi trebuie astazi, repedeee, !
dau !

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Fie abcda'b'c'd' o piramida dreapta cu baza un patrat abcd. lungimea laturilor ab si aa' sunt direct...