
Notiuni de trigonometrie
Authored by Maria Magdalena Joita
Mathematics
7th Grade
Used 15+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In triunghiul dreptunghic cu catetele AB =5 cm si AC = 12 cm, ipotenuza este.....
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Aflati aria triunghiului ABC dacă AB=12 cm , AC= 8 cm, și masura unghiului BAC este de 300
12 cm2
24 cm2
48 cm2
96 cm2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In triunghiul isoscel ABC cu AB= AC=5 cm și BC=8 cm, sinusul unghiului BAC este
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Intr-un triunghi dreptunghic cu laturile 6, 8 și 10
sin2x+cos2x=
0
0,5
1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In triunghiul echilateral ABC cu latura de 8 cm, aria este
81 cm2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Triunghiul dreptunghic cu cateta AB=15cm și ipotenuza BC=25cm are ctgC=.....
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