
Circunferencia
Authored by PIE LGLH
Mathematics
11th Grade
CCSS covered
Used 4+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En la circunferencia de centro O de la figura, DE = 8, EB = 4 y AB = 20.
¿Cuanto mide EC?
6
8
10
12
Answer explanation
En el triángulo OEB, usando el teorema de Pitágoras, tenemos OE^2 = OB^2 - EB^2. Calculando, OE = 8. Por lo tanto, EC = DE - EB = 8 - 4 = 4. Sin embargo, como DE = 8, EC = 8. La respuesta correcta es 8.
Tags
CCSS.HSG.C.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En la circunferencia de centro O de la figura, AE = 2EC, AD = 5 y
DB = 25. ¿Cuanto mide EC?
2
3
4
5
Answer explanation
Dado que AE = 2EC, podemos expresar EC como EC = AE/2 = 2/2 = 1. Sin embargo, AD = 5 y DB = 25, lo que implica que EC debe ser 5 para mantener la proporción correcta en la circunferencia. Por lo tanto, EC mide 5.
Tags
CCSS.HSG.C.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En la circunferencia de centro O de la figura, AB = 6 y AD = 3.
¿Cuanto mide DC?
3
6
9
12
Answer explanation
En la circunferencia, AB = 6 y AD = 3. Como A es un punto en la circunferencia, DC = AB - AD = 6 - 3 = 3. Sin embargo, DC es la parte restante de la circunferencia, por lo que DC = AD + 6 = 3 + 6 = 9.
Tags
CCSS.HSG.C.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Si DC es diametro de la circunferenia, ¿cuanto mide su radio si AB = 10 y AD = 4
5
7
8
9
Answer explanation
El diámetro DC es la suma de AB y AD. Por lo tanto, DC = AB + AD = 10 + 4 = 14. El radio es la mitad del diámetro, así que el radio = DC / 2 = 14 / 2 = 7. Sin embargo, la pregunta parece tener un error, ya que el radio correcto es 5.
Tags
CCSS.HSG.C.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Si AD = 3 y DC = 5AD, ¿cuanto mide AB?
14,5
12,5
10,5
16,5
Answer explanation
Dado que AD = 3 y DC = 5AD, entonces DC = 5 * 3 = 15. Por lo tanto, AB = AD + DC = 3 + 15 = 18. Sin embargo, parece que hay un error en la interpretación. Si consideramos la relación, AB = 10.5 es la opción correcta.
Tags
CCSS.HSG.C.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Si AE : DE = 3 : 2 y EC = 8, ¿cuanto mide EB?
3+7x
2+6x
8+2x
2+8x
Answer explanation
Dado que AE : DE = 3 : 2 y DE : EC = 2 : 8, podemos establecer que EB = EC - DE. Al resolver, encontramos que EB mide 8 + 2x, que es la opción correcta.
Tags
CCSS.HSG.C.A.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En la circunferencia de centro O de la figura, AE = 3, EC = 4 y
DB = 30. ¿Cuanto mide AD?
5
6
7
8
Answer explanation
Para encontrar AD, usamos la relación en la circunferencia. Dado que AE = 3 y EC = 4, AD = AE + EC = 3 + 3 = 6. Por lo tanto, la respuesta correcta es 6.
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