nubias1014 nubias1014

07-01-2021
Mathematics

contestada

The circumference of a circle is 9 m.
What is the area of the circle?
4.5 m2
18 m2
20.25 m2
81 m2

The circumference of a circle is 9 m What is the area of the circle 45 m2 18 m2 2025 m2 81 m2 class=

Respuesta :

Kamikazeminem Kamikazeminem

07-01-2021

Answer:

[tex]20.25\pi \: {m}^{2} [/tex]

Step-by-step explanation:

[tex]Circumference = 2\pi r = 9\pi \Rightarrow r = 4.5 \\ Area = {r}^{2}\pi = {4.5}^{2} \pi = 20.25\pi[/tex]

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