• Asignatura: Matemáticas
  • Autor: kpalacioagudelo24
  • hace 8 años

Calcula la longitud de cada circunferencia

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Respuestas

Respuesta dada por: Joaquin109
125

La longitud de la circunferencia se calcula con la simple fórmula...

Longitud=2*π*r

r=radio

π=pi=3,141592... (Se recomienda dejarlo como "π")

1.L=2*π*3cm

L=6π cm

2. L=2*π*3 1/2 m

L=7π m

3. L=2*π*8/3 m

L=16π/3  m

4. L=2*π*2 dm

L=4π dm

No sé en qué unidad se deben expresar, (no se especifica, en caso lo diga, transformar nomas, probablemente a metros.)


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Respuesta dada por: keilakayet
22

La longitud de cada circunferencia es:

  • Figura 5.21: 18.85 cm
  • Figura 5.22: 21.99 m
  • Figura 5.23: 16.76 m
  • Figura 5.24: 12.57 dm

Longitud de la circunferencia

La longitud de la circunferencia corresponde a la longitud de la curva que delimita el círculo, es decir, el perímetro del círculo. Este perímetro se determina mediante la fórmula:

C= 2πr

Dpnde r es el radio

Figura 5.21

Radio=r= 3cm

C= 2(3.1416)(3 cm)

C= 18.85 cm

Figura 5.22

Radio=r= 3 1/2 m = 3.5 m

C= 2(3.1416)(3.5 m)

C= 21.99 m

Figura 5.23

Radio=r= 8/3 m = 2.67 m

C= 2(3.1416)(2.67 m)

C= 16.76 m

Figura 5.24

Radio=r= 2 dm

C= 2(3.1416)(2 dm)

C=12.57 dm

Profundiza en longitud de la circunferencia en https://brainly.lat/tarea/4771887

#SPJ3

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