Respuesta :

vally17

Answer:

Tr2

Step-by-step explanation:

pie * radius * radius

Answer:

  • πr²

Step-by-step explanation:

The circumference of a circle is given to be 2πr, and its radius to be r.

  • Area = 1/2 x circumference x radius
  • Area = 1/2 x 2πr x r
  • Area = πr²

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