2 years ago

Circle o has a circumference of 28.3 cm. What is the length of the radius r?

1 answer:

4 0

Circumference = 2Pi * r

28.3cm = 2pi * r ( Isolate r )
28.3cm / 2pi = r
R = 4.504

To verify work we can plug 4.504 back into the equations.

Circumference = 2pi*4.504 ~ 28.299 Which is true !

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