
Patrulatere si arii
Authored by Liliana Georgeta
Mathematics
7th Grade
Used 147+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Aria unui pătrat cu perimetrul de 40 cm este
10 cm2
160 cm2
100 cm2
40 cm2
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Aria unui dreptunghi cu lungimea de 12 cm și lățimea o treime din lungime este
48 cm2
4 cm2
16 cm2
36 cm2
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Aria unui trapez care are semisuma bazelor de 15 cm și înălțimea de 5 cm este
20 cm2
75 cm2
10 cm2
10 cm
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Aria unui romb cu diagonalele de 6 cm, respectiv 8 cm este
14 cm
14 cm2
48 cm2
24 cm2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suma măsurilor unghiurilor unui patrulater convex este egală cu … °.
180o
90o
360o
200o
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Aria triunghiului ABC din figura de mai sus este egală cu ...
18 cm2
80 cm2
40 cm2
36 cm2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
În figura de mai sus ABCD este paralelogram, iar măsura unghiului A este egală cu 70o. Atunci măsura unghiului B este egală cu:
110o
180o
170o
70o
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