9º Ano - Matemática 2
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Franzé Alencar
Used 8+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Determine o valor de x no triângulo a seguir.
122,5
132,5
142,5
152,5
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
No triângulo a seguir, temos dois ângulos (45º e 105º, respectivamente), e um dos lados mede 90 metros. Com base nesses valores, determine a medida de x.
127,26
147,26
167,26
187,26
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
No triângulo a seguir, determine a medida do lado AC, tendo em vista as medidas presentes nele. (Use √2 = 1,4 e √3 = 1,7).
8,2 cm
10,2 cm
6,2 cm
12,2 cm
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A fórmula correta para o comprimento de uma circunferência é:
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A área de um círculo é dada por:
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Calcule o comprimento de uma circunferência cujo raio mede 10 cm.
62,8 cm
31,4 cm
56,9 cm
45,3 cm
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Com um foi de arame deseja-se construir um circunferência de diâmetro 10 cm. Qual deve ser o comprimento do fio?
31,4 cm
62,8 cm
34,5 cm
41,9 cm
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