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Relatii metrice in triunghiul dreptunghic

Authored by Sandra Stanila

Mathematics

7th Grade

Used 16+ times

Relatii metrice in triunghiul dreptunghic
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8 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

In triunghiul dreptunghic ABC,  A=90°\angle A=90\degree  , se considera AB= 24 cm si AC=32 cm. Determinati lungimea lui BC

400 cm

40 cm

20 cm

80 cm

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

In triunghiul dreptunghic ABC,  A=90°\angle A=90\degree  , AB= 12cm, BC= 20 cm. Determinati perimetrul triunghiului ABC.

48 cm

16 cm

32 cm

50 cm

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

In triunghiul ABC,   A=90°\angle A=90\degree  , AB =  636\sqrt{3}  cm, BC= 18 cm, iar  ADBC, DBCAD\perp BC,\ D\in BC  . Aflati lungimea inaltimii AD.

 66 6\sqrt{6\ }  cm

 626\sqrt{2}  cm

 636\sqrt{3}  cm

6 cm

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Intr-un triunghi dreptunghic, raportul lungimilor catetelor este egal cu  34\frac{3}{4}  , iar lungimea ipotenuzei este egala cu 40 cm. Determinati lungimea catetei mai mici.

8 cm

32 cm

24 cm

56 cm

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Intr-un triunghi dreptunghic cu ipotenuza egala cu 18 cm, proiectia unei catete pe ipotenuza este de 8 cm. Determinati lungimea celeilalte catete.

12 cm

636\sqrt{3} cm

656\sqrt{5} cm

9 cm

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Determinati lungimea inaltimii unui triunghi dreptunghic cu latura de 8 cm.

828\sqrt{2} cm

43 4\sqrt{3\ } cm

838\sqrt{3} cm

4 cm

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Determinati lungimea diagonalei unui patrat cu latura de 7 cm.

14 cm

7 cm

49 cm

727\sqrt{2} cm

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