Matematica Clasa  a VIII-a

Matematica Clasa a VIII-a

8th Grade

12 Qs

quiz-placeholder

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Matematica Clasa  a VIII-a

Matematica Clasa a VIII-a

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

Created by

ScopeD ScopeD

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Daca a si b sunt doua  drepte in spatiu spunem ca dreapta a este perpendiculara pe dreapta b

daca sunt paralele 

daca sunt coplanare 

 daca unghiul acestor drepte este drept

2.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

O dreapta este perpenndiculara pe un plan daca

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Daca AB este perpendicular pe planul  α\alpha  si planul  α\alpha  este paralel cu planul  β\beta  atunci:

AB este paralel cu planul  \beta  

AB este perpendicular pe planul  β\beta  

AB apartine planului  β\beta  

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Corpul geometric obtinut prin rotatia completa a unei suprafete dreptunghiulare in jurul uneia dintre laturile sale se numeste cilindru circular drept

Adevarat

Fals

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

........ este paralelipipedul dreptunghic cu toate dimensiunnile egale

Cubul

Piramida

Prisma

Tetraedrul

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 2x1<10\left|2x-1\right|<10   

 (92;112)\left(-\frac{9}{2};\frac{11}{2}\right)  SAU (-4,5 ; 5,5)

 (92;112)\left(\frac{9}{2};\frac{11}{2}\right)  SAU (4,5 ; 5,5)

 (92;112)\left(\frac{9}{2};-\frac{11}{2}\right)  SAU (4,5 ; -5,5)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Daca o dreapta d nesituata intr un plan  α\alpha  este paralela cu dreapta b inclusa in planul  α\alpha  atunci dreapta d este perpenndiculara cu planul  α\alpha  

Adevarat 

Fals

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