Quiz about EN 11

Question 1

Rezultatul calculului

$$48\ :\ 2^3$$ este

Accepted Answer

6

Answer

8

Answer

3

Answer

4

Question 2

Suplementul unghiului cu masura de $$103\degree23$$ este egal cu

Accepted Answer

$$76\degree36$$

Answer

$$77\degree37$$

Answer

$$13\degree27$$

Answer

$$76\degree26$$

Question 3

Suma elementelor multimii

$$A=\left\{x\in N,\ x+2\le6\right\}$$ este egala cu

Accepted Answer

10

Answer

5

Answer

6

Answer

15

Question 4

In figura alaturata, se considera patru unghiuri in jurul unui punct O. Valoarea lui x este

Accepted Answer

$$50\degree$$

Answer

$$40\degree$$

Answer

$$70\degree$$

Answer

$$35\degree$$

Question 5

Fie numerele a= $$2+\sqrt[]{3}$$ si b= $$2-\sqrt[]{3}$$

Media aritmetica a numerelor a si b este egala cu

Accepted Answer

2

Answer

1

Answer

$$\sqrt[]{3}$$

Answer

-1

Question 6

Se considera un rond de flori de forma unui cerc de centru A si raza de 12 m. Stiind ca punctele B si C sunt situate pe cerc si masura unghiului BAC este de 40 de grade, calculeaza aria portiunii hasurate.

Accepted Answer

$$16\pi$$

Answer

$$12\pi$$

Answer

$$24\pi$$

Answer

$$36\pi$$

Question 7

Raportul a doua numere este $$\frac{2}{3}$$ , iar diferenta lor este egala cu 10. Calculeaza produsul numerelor.

Accepted Answer

600

Answer

60

Answer

120

Answer

50

Question 8

Fie un teren de forma unui romb ABCD, astfel incat AB=6m si m( $$\angle$$ ABC) = $$150\degree$$ .

Din B se construieste o alee perpendiculara pe AD.

Afla lungimea acestei alei.

Accepted Answer

3m

Answer

4m

Answer

6m

Answer

2m

Question 9

Daca 3 robinete umplu un bazin in 6 ore, atunci 2 robinete vor umple bazinul in

Accepted Answer

9 ore

Answer

4 ore

Answer

3 ore

Answer

12 ore

Question 10

Se considera o curte in forma unui trapez isoscel ABCD, cu AB $$\parallel$$ CD, AB=BC= $$6\sqrt[]{2}$$ si

m( $$\angle\ ABC$$ )= $$135\degree$$ . Calculeaza aria suprafetei ACD.

Accepted Answer

$$18\left(\sqrt[]{2}+2\right)$$

Answer

48

Answer

36

Answer

$$12\left(1+\sqrt[]{2}\right)$$

Question 11

Un spectacol a inceput la ora 21:45 si s-a terminat la ora 23:15. Marian afirma

"Spectacolul are o durata de o ora si jumatate". Stiind ca spectacolul nu a avut pauza, afirmatia lui este

Accepted Answer

adevarata

Answer

falsa

Question 12

In figura alaturata, ABCD este un patrat, iar MAB este un triunghi echilateral, construit pe una dintre laturile patratului.

Determina masura $$\angle$$ DMC

Accepted Answer

$$30\degree$$

Answer

$$45\degree$$

Answer

$$20\degree$$

Answer

$$150\degree$$

EN 11

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