
Segmentos Proporcionais e Semelhança
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 6 pts
Em um triângulo, um segmento paralelo a um dos lados divide os outros dois lados em segmentos de 4 cm e 6 cm. Qual deve ser o comprimento do segmento correspondente ao lado de 9 cm para que os segmentos sejam proporcionais?
5 cm
6 cm
9 cm
13,5 cm
2.
MULTIPLE CHOICE QUESTION
30 sec • 6 pts
O Teorema de Tales afirma que:
Todo triângulo é semelhante a outro triângulo.
Segmentos determinados por retas paralelas em duas transversais são proporcionais.
O produto dos catetos é igual ao quadrado da hipotenusa.
3.
MULTIPLE CHOICE QUESTION
30 sec • 6 pts
Se dois triângulos são semelhantes e os lados correspondentes medem 3 cm e 6 cm, qual é a razão de semelhança?
2
3
6
4.
MULTIPLE CHOICE QUESTION
30 sec • 6 pts
6 cm
8 cm
12 cm
16 cm
5.
MULTIPLE CHOICE QUESTION
30 sec • 6 pts
Duas figuras semelhantes têm lados correspondentes de 5 cm e 15 cm. Se a área da menor é 20 cm², qual é a área da maior?
40 cm²
60 cm²
120 cm²
180 cm²
6.
MULTIPLE CHOICE QUESTION
30 sec • 6 pts
7.
MULTIPLE CHOICE QUESTION
30 sec • 6 pts
Em um triângulo, um segmento divide dois lados em partes de 5 cm e 10 cm. Se o lado correspondente ao segmento menor mede 6 cm, quanto mede o lado correspondente ao segmento maior?
9 cm
10 cm
12 cm
15 cm
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