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Teorema catetei

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Mathematics

7th Grade

Used 5+ times

Teorema catetei
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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În triunghiul ABC dreptunghic, m(<A) = 90 grd., AD

 \perp  BC, D  \in  BC. Ştiind că BD = 24 cm, DC = 25 cm, aflaţi AB şi AC. 

AB = 14 6\sqrt{6}  cm; AC = 34 cm

AB = 14  6\sqrt{6}  cm; AC = 35 cm

AB = 12  6\sqrt{6}  cm; AC = 34 cm

AB = 10  6\sqrt{6}  cm; AC = 35 cm

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Fie triunghiul ABC dreptunghic, m(<A) = 90 grd, AD  \perp  BC, D  \in  BC. Dacă AB = 18 cm, BC =27 cm, aflaţi DC şi AC.

12, 6 5\sqrt{5}  

12, 5 5\sqrt{5}  

15, 6 5\sqrt{5}  

15, 5 5\sqrt{5}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Fie  

 ΔABC \Delta ABC\  dreptunghic, m(<A) = 90 grd, AD  \perp  BC, D  \in  (BC). Dacă AC = 24 cm, BC = 48 cm, aflaţi AB.

12  3\sqrt{3}  

24  3\sqrt{3}  

20  3\sqrt{3}  

25  3\sqrt{3}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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În rombul ABCD, punctul E  \in  (AD) astfel încât BE  \perp  AD. Dacă latura rombului şi segmentul BE au lungimi egale cu 10 cm, respectiv 8 cm, calculaţi diagonalele rombului.

8 5\sqrt{5}  , 4  5\sqrt{5}  

 5\sqrt{5}  , 8  5\sqrt{5}  

 5\sqrt{5}  ,  5\sqrt{5}  

 5\sqrt{5}  , 8  5\sqrt{5}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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În  Δ\Delta  ABC, dreptunghic în A, AD  \perp  BC, D  \in  BC, BD = 16 cm şi CD = 9 cm. Determinaţi perimetrul  Δ\Delta  ABC.

55 cm

60 cm

50 cm

65 cm

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