danielahchf
danielahchf danielahchf
  • 14-11-2018
  • Mathematics
contestada

What is the circumference of the circle if AB = 4 in?

What is the circumference of the circle if AB 4 in class=

Respuesta :

MrBillDoesMath MrBillDoesMath
  • 14-11-2018

Hello from MrBillDoesMath!

Answer:   8 * pi  (inches^2)


Discussion:

From Plane Geometry the circumference of a circle of radius "r" is

2 * pi * r

In this case, AB is a radius of the circle so the circumference is

2 * pi * 4  = 8 pi



Regards, MrB

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