Introducció a la geometria de l'espai

Quiz
•
Mathematics
•
9th Grade
•
Hard
Bernat Bosch i Folch
Used 2+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si en un cub que té 2 metres d'aresta hi ha inscrit una esfera. Quin serà el radi de l'esfera inscrita?
1/2 metres
1 metre
2 metres
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En geometria plana (2D) parlem de polígons, mentre que, en geometria de l'espai (3D), parlem de políedres. Què és un políedre?
Objecte de dues dimensions que té el contorn recte.
Objecte de dues dimensions limitat per polígons.
Objecte de tres dimensions limitat per arestes.
Objecte de tres dimensions limitat per polígons.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
De polígons regulars n'hi poden haver infinits, perquè, començant pel triangle equilàter, podem anar generant polígons regulars amb un nombre cada vegada més gran de costats. Ara bé, de políedres regulars, també n'hi pot haver infinits?
No, n'hi ha 5 i prou.
No, n'hi ha 10 i prou.
No, n'hi ha 12 i prou.
Sí, n'hi ha infinits.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Com s'anomenen els 5 políedres regulars?
Triangle equilàter, quadrat, pentàgon regular, hexàgon regular i heptàgon regular.
Tetràedre regular, hexàedre regular (el solem anomenar "cub"), octàedre regular, dodecàedre regular, icosàedre regular.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantes posicions relatives diferents hi pot haver entre dos plans?
Dues
Tres
Quatre
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantes posicions relatives diferents hi pot haver entre un pla i una recta?
Dues
Tres
Quatre
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantes posicions relatives diferents hi pot haver entre dues rectes?
Dues
Tres
Quatre
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