jamesmoorer58 jamesmoorer58

13-05-2022
Mathematics

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The area of a circle is 12.56 square kilometers. What is the circle's radius?

Respuesta :

zibahkeshiro zibahkeshiro

13-05-2022

Answer:

[tex]r = 2km[/tex]

Step-by-step explanation:

Area =

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

[tex]12.56 = 3.14 \times {r}^{2} [/tex]

[tex] {r}^{2} = \frac{12.56}{3.14} [/tex]

[tex] {r}^{2} = 4[/tex]

[tex]r = \sqrt{4} [/tex]

[tex]r = 2km[/tex]

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