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Testare initiala 8

Authored by Marina Mihaela Constantinescu

Mathematics

7th Grade

Used 4+ times

Testare initiala 8
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25 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Aria suprafetei unui trapez isoscel ortodiagonal cu bazele de 8cm, respectiv 12cm este:

100cm2100cm^2

20cm220cm^2

406cm240\sqrt{6}cm^2

1003cm2100\sqrt{3}cm^2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Aria suprafetei unui trapez dreptunghic ortodiagonal cu bazele de 8cm, respectiv 12cm este:

406cm240\sqrt{6}cm^2

100cm2 100cm^2\

20cm220cm^2

1002cm2100\sqrt{2}cm^2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Aria suprafetei unui trapez cu bazele 8cm, respectiv 12cm si inaltimea de 2cm este :

 20cm220cm^2  

 100cm2100cm^2  

 406cm240\sqrt{6}cm^2  

 1003cm2100\sqrt{3}cm^2  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Daca aria suprafetei triunghiulare AOD , din imaginea anterioara este de  20cm220cm^2  atunci aria suprafetei paralelogramului ABCD este de :

 80cm280cm^2  

 100cm2100cm^2  

 20cm220cm^2  

 406cm240\sqrt{6}cm^2  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Daca aria suprafetei triunghiulare DOC din imaginea alaturata este de  20cm220cm^2  , atunci aria suprafetei paralelogramului ABCD este de :

 80cm280cm^2  

 100cm2100cm^2  

 200cm2200cm^2  

 1003cm2100\sqrt{3}cm^2  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Daca AC=8cm si BD=4cm atunci aria suprafetei rombului ABCD din imaginea alaturata este:

16cm2 16cm^2\

20cm220cm^2

100cm2100cm^2

1003cm2100\sqrt{3}cm^2

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Daca perimetrul rombului de mai sus este de  203cm20\sqrt{3}cm  iar inaltimea DE=5cm, atunci aria rombului este de 

 253cm225\sqrt{3}cm^2  

 1003cm2100\sqrt{3}cm^2  

 20cm220cm^2  

 406cm240\sqrt{6}cm^2  

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