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IrinaVladis [17]
3 years ago
15

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!!!!!
Mathematics
1 answer:
ASHA 777 [7]3 years ago
8 0
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. 
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