
REVISÃO
Authored by Carol Oliveira
Mathematics
11th Grade
Used 5+ times

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23 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
O TRIÂNGULO EQUILÁTERO TEM QUANTOS LADOS IGUAIS?
2
3
1
NENHUM
Answer explanation
TRIÂNGULO EQUILATERO TEM TRÊS LADOS IGUAIS E TRÊS ÂNGULOS IGUAIS.
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
EU TENHO UM TRIÂNGULO EQUILÁTERO, QUAL A MEDIDA DO MEU ÂNGULO INTERNO?
30
45
60
120
Answer explanation
A SOMA DOS ÂNGULOS INTERNOS DO TRIÂNGULO É 180º, NO TRIÂNGULO EQUILÁTERO, TEMOS OS TRÊS ÂNGULOS IGUAIS, SENDO ENTÃO 60º CADA UM.
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A figura a seguir representa um quadrado ABCD com lado 3 cm e um ponto E sobre o lado BC. Sabendo que a área do quadrado ABCD é o triplo da área do triângulo ECD, pode-se concluir que o comprimento do segmento EC é:
1CM
1,75CM
2CM
2,75CM
Answer explanation
Área do quadrado: L2 = 3 · 3 = 9 ∴ 9 CM²
A área do quadrado ABCD é o triplo da área do triângulo ECD, ou seja, a área do triângulo é de: 9 ÷ 3 = 3 ∴ 3 CM²
Assim, tem-se: 𝐴𝛥 = 𝐶D ⋅𝐸C/ 2 ⟹
3 = 3 ⋅ 𝐸C/ 2 ⟹ EC = 2 ∴ 2 cm
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual desses números representa um evento que tenha 75% de probabilidade de ocorrer?
7,5
0,075
3/4
100/75
Answer explanation
75/100 É IGUAL A 3/4
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Todo retângulo é um quadrado.
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Todo quadrado é um retângulo.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
João comprou um casaco que custava R$ 400,00, como pagou á vista teve um desconto de 25%. Quanto ele pagou com desconto?
R$375,00
R$300,00
R$320,00
R$425,00
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