joycel410 joycel410

28-06-2018
Mathematics

contestada

Find the area of a circle having a circumference of 3pi

A=?
2.25pi
3pi
9pi

Respuesta :

wolf1728 wolf1728

28-06-2018

circumference = 2 * PI * radius
radius = circumference / 2 * PI

radius =3 PI / 2 PI
radius = 1.5 PI

Circle Area = PI * radius ^2
Circle Area = 2.25 PI

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