Patrulatere. Arii și perimetre

Patrulatere. Arii și perimetre

7th - 8th Grade

15 Qs

quiz-placeholder

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Patrulatere. Arii și perimetre

Patrulatere. Arii și perimetre

Assessment

Quiz

Mathematics

7th - 8th Grade

Hard

Created by

DANIELA BADEA

Used 30+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Formula ariei unui dreptunghi este:

2(L+l)2\left(L+l\right)

l2l^2

LlL\cdot l

Ll2\frac{L\cdot l}{2}

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Formula ariei unui pătrat este:

l2l^2

4l4l

2L+2l2L+2l

2L2l2L\cdot2l

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Aria trapezului se calculează cu formula:

l4l^4

d1d22\frac{d_1\cdot d_2}{2}

(B+b)h2\frac{\left(B+b\right)\cdot h}{2}

2l2l

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Aria unui paralelogram ABCD este de 56 cm2 şi AB = 7 cm. Calculaţi distanţa de la punctul D la dreapta AB.

4 cm

15 cm

49 cm

8 cm

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Calculați aria unui romb cu lungimile diagonalelor de 4 cm și 6 cm .

24 cm2cm^2

12 cm2cm^2

20  cm2cm^2

10  cm2cm^2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Calculați aria unui trapez cu baza mare de 20 cm, baza mică de 12 cm și înălțimea de 5 cm.

80 cm2\ cm^2

120 cm2cm^2

40  cm2cm^2

48  cm2cm^2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

În pătratul ABCD punctul O este intersecţia diagonalelor. Dacă AB = 8 cm, calculaţi aria triunghiului COD.

8 cm2

16 cm2

24 cm2

32 cm2

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