sarahivelisse06
sarahivelisse06 sarahivelisse06
  • 24-04-2021
  • Mathematics
contestada

En un parque de forma circular de 700 m de radio hay situada una fuente,

tambien de forma circular, de 5 m de radio. Calcula el área de la zona de

paseo.​

Respuesta :

itmaddiexx9
itmaddiexx9 itmaddiexx9
  • 24-04-2021

área del parque

A=Pi . R^2

A=Pi (700m^2)

A=3.1416 x 490000m^2

A= 1539380.4 m ^2

área de la fuente

a= Pi. r^2

a=Pi (5cm^2)

a=3.1416 x 25cm^2

a= 78.54 cm^2

Luego lo que hacemos que al area grande le restamos la pequeña.

pero antes que nada convertiremos los metros a centimetros.

A= 1539380.4 m^2

1539380.4 m^2 (100cm/1m)

eliminaras los metros y te quedara asi

1539380.4  ( 100 cm/ 1)

153,938,040 cm^2

luego restamos A-a

153,938,040 cm^2 -  78.54cm^2

R/ el area de la zona de paseo es de 153937961.5 cm^2 !!

Answer Link

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