Geometrie - Clasa a 8 a - Semestul I

Geometrie - Clasa a 8 a - Semestul I

8th Grade

25 Qs

quiz-placeholder

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Geometrie - Clasa a 8 a - Semestul I

Geometrie - Clasa a 8 a - Semestul I

Assessment

Quiz

Mathematics

8th Grade

Hard

Created by

Cîrdei Mihai

Used 15+ times

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

În Figura 1 este reprezentat un cub ABCDABCDABCDA'B'C'D' . Măsura unghiului determinat de dreptele ABAB și CCCC' este egală cu  

 45°45\degree  

 90°90\degree  

 0°0\degree  

 30°30\degree  

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Diagonala cubului cu lungimea muchiei de  5 cm5\ cm  este egală cu

 52 cm5\sqrt{2}\ cm  

 5 cm5\ cm  

 53 cm25\sqrt{3}\ cm^2  

 53 cm5\sqrt{3}\ cm  

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Volumul unui cub cu latura de 5 dm5\ dm  este egal cu

 125 dm2125\ dm^2  

 25 dm225\ dm^2  

 125 dm125\ dm  

 125 cm2125\ cm^2  

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Alegeți afirmația adevărată!

Cubul are 12 muchii.

Baza tetraedrului este un triunghi oarecare.

Paralelipipedul dreptunghic are baza pătrat.

Baza cubului este dreptunghi.

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Un tetraedru regular are latura bazei egală cu 8 cm8\ cm  Suma lungimilor tuturor muchiilor este egală cu

 24 cm24\ cm  

 32 cm32\ cm  

 48 cm48\ cm  

 48 dm48\ dm  

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Un cub are muchia laterală egală cu 3 dm3\ dm . Aria bazei cubului este egală cu

 18 dm218\ dm^2  

 54 dm254\ dm^2  

 6 dm26\ dm^2  

 9 dm29\ dm^2  

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Un tetrardru regulat are muchia egală cu 10 m10\ m . Aria bazei tetraedrului este egală cu

 253 m225\sqrt{3}\ m^2  

 1003 m2100\sqrt{3}\ m^2  

 25 m225\ m^2  

 203 m220\sqrt{3}\ m^2  

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