Comprimento circunferência e área de círculo
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Medium
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5 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Para realizar o teste físico em determinado concurso, os candidatos devem correr ao redor de uma praça circular cujo diâmetro mede 120 m. Uma pessoa que dá 9 voltas ao redor dessa praça percorre: (Dado: π = 3).
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
O raio da roda de uma bicicleta mede 25 cm.
Qual o comprimento da circunferência da roda?
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Determine a medida do raio de uma praça circular que possui 9420 m de comprimento (Use π = 3,14).
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Uma fábrica de rodas, embala as rodas em caixas. Se uma roda possui 17 cm de raio, qual deve ser, no mínimo, a largura da caixa?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um ciclista deu 30 voltas em uma pista com formato de circunferência. Ao olhar seus equipamentos de medida, ele percebeu que a distância percorrida nessas 30 voltas foi de 90 km. Qual a medida aproximada do raio da pista em que se encontrava? (Considere π = 3,14)
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