Áreas e volumes de sólidos

Quiz
•
Mathematics
•
9th Grade
•
Hard
Luís ProfDMCE
Used 19+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
O volume da pirâmide, sabendo que tem de altura e que a base é um retângulo cujas dimensões são por é de:
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Na figura está representado um cone reto cuja geratriz mede e o raio da base mede .
O valor exato do volume do cone é:
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
O valor exato da área total da superfície do cone é:
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A área do setor circular representado na figura, com aproximação às décimas do é:
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
O valor exato do comprimento do arco AB é:
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Na figura pode observar-se um cubo e um cone reto.
A base do cone está inscrita numa das faces do cubo e o seu vértice é o ponto de interseção das diagonais da face oposta do cubo.
Considerando e que a área total do cubo é
, então o volume do cone é:
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Considera a Terra como uma esfera de raio igual a .
A área da superfície da Terra é:
Usa para valor aproximado de .
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