THEBEASTMONSTER5506
THEBEASTMONSTER5506 THEBEASTMONSTER5506
  • 10-03-2020
  • Mathematics
contestada

The area of a circle is 16π cm2. What is the circle's circumference?

A.2 π cm
B.16 π cm
C.4 π cm
D.8 π cm

Respuesta :

delancygenius
delancygenius delancygenius
  • 15-03-2020

[tex]\huge{\underline{\underline{\red{Answer}}}}[/tex]

[tex]area \: \: of \: \: a \: \: circle \: = \pi \: {r}^{2} \\ 》 16\pi = \pi {r}^{2} \\ 》 16 = {r}^{2} \\》 r = \sqrt{16} \\ 》r = 4cm[/tex]

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max2788
max2788 max2788
  • 31-03-2020

Answer:

Area of circle =

[tex]\pi \: r {}^{2} [/tex]

[tex]16\pi = \pi \: r {}^{2} [/tex]

[tex]16 = r {}^{2} [/tex]

[tex]r = \sqrt{16} [/tex]

[tex]r = 4cm[/tex]

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