Respuesta :

[tex]\boxed{\large{\bold{\blue{ANSWER~:) }}}}[/tex]

πr is the formula for the __of a circle.

  • half of the circumference

more information:-

  • [tex]\sf{\pi r^{2}=Area }[/tex]

  • [tex]\sf{2\pi r=circumference }[/tex]

  • [tex]\sf{2r=diameter }[/tex]