Áreas y perímetros figuras circulares
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Medium
Standards-aligned
Xavi Senserrich
Used 168+ times
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17 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la fórmula para el área del círculo?
A = πr
A = 2πr
A = πd
A = πr²
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Qué representa r en la fórmula
A = π·r2
circunferencia
radio
diámetro
cuadrado
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Qué número representa π aproximadamente?
Depende de como sea la circumferencia
3.41
4.31
3.14
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cuál es el símbolo de pi?
#
π
&
%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El área de una pizza de 8 cm de radio es:
200,96 cm 2
153,86 cm 2
615,44 cm 2
156,78 cm 2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El área de un semicírculo es la mitad del área de un círculo.
Verdadero
Falso
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcula el área de una plaza de 200 m de diámetro.
31.200 cm 2
31.400 m 2
30.000 m 2
628 m
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