Ray Turnbull
01/10/2024 · Elementary School
1) La circunferencia. Actividad 1: Dada la ecuación general de una circunferencia \( x^{2}+y^{2}=r^{2} \), calcula el radio de las siguientes circunferencias: 1. \( x^{2}+y^{2}=25 \) 2. \( x^{2}+y^{2}=49 \) 3. \( x^{2}+y^{2}=100 \) Actividad 2: Escribe la ecuación de la circunferencia cuyo centro es \( (0,0) \) y cuyo radio es: 1. 7 2. 5 3. 10
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### Actividad 1: Cálculo del radio
1. Para \( x^{2} + y^{2} = 25 \): \( r = 5 \)
2. Para \( x^{2} + y^{2} = 49 \): \( r = 7 \)
3. Para \( x^{2} + y^{2} = 100 \): \( r = 10 \)
### Actividad 2: Ecuación de la circunferencia
1. Radio 7: \( x^{2} + y^{2} = 49 \)
2. Radio 5: \( x^{2} + y^{2} = 25 \)
3. Radio 10: \( x^{2} + y^{2} = 100 \)
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