Question

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, plsss!!!
DAU COROANA!!!!!

Answer 1

Please ask the question in English, if you are not able to, I believe you are in the wrong language section and suggest you try something else before you get your question taken down.