
Unghiul unei drepte cu un plan
Authored by Boldea Daniela
Mathematics
8th Grade
Used 112+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Unghiul unei drepte cu un plan este...
unghiul format de dreaptă cu o dreaptă din plan
unghiul format de dreaptă cu proiecţia ei pe plan
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
În piramida triunghiulară regulată ABCD, unghiul dintre AB şi planul (BCD) este ...
unghiul ABO
unghiul ABC
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
În piramida patrulateră VABCD , unghiul dintre VA şi planul (ABC) este....
unghiul VAC
unghiul VAO
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
În cubul ABCDA'B'C'D' , cu muchia AB de 4 cm, măsura unghiului format de AD' cu planul (BDD') este de...
45°
30°
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
În cubul ABCDA'B'C'D' , cu muchia AB de 6 cm, sinusul unghiului format de AC' cu planul (ABC) este ...
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
În paralelipipedul dreptunghic ABCDA'B'C'D', dimensiunile sunt AB = 12 m, BC= 3 m şi AA'= 4 m. Tangenta unghiului dintre dreapta B'C şi planul (ABC) are valoarea ...
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
În prisma patrulateră regulată dreaptă se ştie că AB=12 cm, iar diagonala BD' formează cu faţa ADD'A' un unghi cu măsura de 30°. Muchia AA' are lungimea de...
cm
12 cm
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