
Elementos da Circunferência
Authored by ELEN FERREIRA
Mathematics
9th Grade

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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual a medida do diâmetro da circunferência maior?
6,4 cm
9,6 cm
12,8 cm
25,6 cm
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em um círculo de raio 4 cm, qual a medida de seu diâmetro?
2 cm
4 cm
6 cm
8 cm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma circunferência com diâmetro de 35 cm, tem qual medida de raio?
17 cm
70 cm
17,5 cm
35 cm
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual é o comprimento, aproximado, da circunferência de um disco laser com diâmetro de 11,8 cm?
37,05 cm
46,05 cm
36,06 cm
25,45 cm
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Uma pista circular tem 90 m de raio. Quantos quilômetros uma pessoa terá percorrido após dar 20 voltas nessa pista?
12098 m
13500 m
11304 m
15960 m
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Um diâmetro de um circunferência mede 3,6 cm. Qual é a medida de um raio dessa circunferência?
7,2 cm
1,8 cm
2,6 cm
1,2 cm
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a área de um círculo com raio de 5 cm?
25π cm²
50π cm²
75π cm²
100π cm²
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