brynleew814 brynleew814
  • 11-05-2020
  • Mathematics
contestada

find the circumference and the area of a circle with the diameter of 4

Respuesta :

ghanami
ghanami ghanami
  • 12-05-2020

Answer:

Step-by-step explanation:

the area is :  A =πr²  r : radius    d : diameter    d= 2r  so : r=d/2 = 4/2 = 2

A =3.14(2²) = 12.56

the circumference is P= 2πr 2(3.14)(2)=12.56

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