
Triângulos: Semelhança e Simetria
Mathematics
2nd Grade
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes opções representa triângulos semelhantes?
Triângulos com lados de 3 cm, 4 cm, 5 cm e 6 cm, 8 cm, 10 cm
Triângulos com lados de 5 cm, 5 cm, 5 cm e 10 cm, 10 cm, 10 cm
Triângulos com lados de 2 cm, 3 cm, 4 cm e 4 cm, 5 cm, 6 cm
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das figuras abaixo possui simetria?
Um triângulo escaleno
Um triângulo equilátero
Um triângulo isósceles
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o fator de escala de uma homotetia que transforma um triângulo com lados de 2 cm, 3 cm, 4 cm em um triângulo com lados de 4 cm, 6 cm, 8 cm?
1
2
3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Comparando os lados de dois triângulos semelhantes, se um lado de um triângulo mede 5 cm e o lado correspondente do outro triângulo mede 10 cm, qual é a razão de semelhança?
1:2
2:1
1:1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Desenhe um triângulo semelhante a um triângulo com lados de 3 cm, 4 cm, 5 cm. Qual é a medida do lado correspondente ao lado de 3 cm se o fator de escala for 3?
6 cm
9 cm
12 cm
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a soma dos ângulos internos de qualquer triângulo?
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