Área do círculo e comprimento da circunferência

Quiz
•
Mathematics
•
9th Grade
•
Medium
Gil Lozzi
Used 19+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
O diâmetro, é considerado:
Metade do raio
Dobro do raio
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Calculando o valor de 2 (pi), temos aproximadamente:
6,28
3,14
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
O número (pi) é um número:
racional
irracional
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Um número racional, é:
finito ou se for infinito é periódico
infinito e não periódica
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Podemos dizer que o raio, é:
metade do diâmetro
dobro do diâmetro
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Se o raio medir 12,5 cm, o diâmetro mede:
25 cm
6, 25
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Se o diâmetro mede 7,4 cm, logo o raio mede:
3,7 cm
14,8
8.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
A fórmula do comprimento da circunferência, é:
C = pi . r (ao quadrado)
C = 2 . pi . r
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