matea33
matea33 matea33
  • 12-02-2020
  • Mathematics
contestada

what is the diameter of a circle whose area is 28.3 cm^2 ?

Respuesta :

DynamiteMachineYeaa
DynamiteMachineYeaa DynamiteMachineYeaa
  • 30-03-2020

Answer:

The diameter would be 6.

Step-by-step explanation:

Hello!

We use the formulas:

[tex]\boxed{A= \pi r^2}[/tex]

[tex]\boxed{d=2r}[/tex]

Solving for d:

[tex]d=2\sqrt{\frac{A}\pi r} } =2 \times\sqrt{\frac{28.3}{\pi} } =6[/tex]

Hope this helps!

Hugs and wishes,

Josh

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