
Circunferência e suas Propriedades
Interactive Video
•
Mathematics
•
5th - 7th Grade
•
Practice Problem
•
Hard
Standards-aligned
Ethan Morris
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a definição de circunferência?
A linha reta que passa pelo centro de um círculo.
A linha curva que delimita um círculo.
A área total de um círculo.
O ponto central de um círculo.
Tags
CCSS.7.G.B.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula para calcular o comprimento da circunferência?
C = πd
C = 2r
C = πr²
C = 2πr
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se o raio de uma circunferência é 2 cm, qual é o comprimento?
6,28 cm
3,14 cm
12,56 cm
4 cm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual valor de pi é mais comumente usado em cálculos?
3,14
3,1
3
3,14159
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se o diâmetro de uma circunferência é 10 metros, qual é o raio?
20 metros
15 metros
5 metros
10 metros
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como se calcula o raio a partir do diâmetro?
Multiplicando o diâmetro por 2
Dividindo o diâmetro por π
Dividindo o diâmetro por 2
Multiplicando o diâmetro por π
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o comprimento de uma circunferência com raio de 5 metros?
15,7 metros
25 metros
10 metros
31,4 metros
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