Área y Volumen. Círculos y prismas.
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Medium
Kevin Palmera
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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿Cuál es la fórmula para calcular el área de un círculo?
A = 2πr
A = πd
A = πr²
A = r²/2
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿Qué se necesita para calcular el perímetro de un círculo?
El volumen del círculo
La circunferencia del círculo
El área del círculo
El radio o el diámetro del círculo.
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Si el radio de un círculo es 5 cm, ¿cuál es su área?
100 cm²
50 cm²
25 cm²
78.5 cm²
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿Cuál es el perímetro de un círculo con un diámetro de 10 cm?
20 cm
15.7 cm
25.12 cm
31.42 cm
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿Qué es un sector circular?
Un sector circular es una línea recta que conecta dos puntos.
Un sector circular es una porción de un círculo formada por dos radios y el arco correspondiente.
Un sector circular es la parte central de un cuadrado.
Un sector circular es un triángulo formado por tres lados.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Si un sector circular tiene un ángulo de 90 grados y un radio de 4 cm, ¿cuál es su área?
16π cm²
4π cm²
8π cm²
2π cm²
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿Cómo se calcula el área de un sector circular?
A = (θ/360) * π * r²
A = 2 * π * r
A = θ * r
A = (θ/180) * π * r²
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