Anusy Anusy
  • 26-04-2021
  • Mathematics
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Math homework help wanted

Math homework help wanted class=

Respuesta :

Hrishii
Hrishii Hrishii
  • 26-04-2021

Answer:

C. [tex] 2\pi[/tex]

Step-by-step explanation:

Central angle [tex]( \theta) = \frac{\pi}{2} = 90\degree [/tex]

Radius (r) = 4

[tex]l(\widehat{EF}) = \frac{ \theta}{360 \degree} \times 2\pi \: r \\ \\ = \frac{90 \degree}{360 \degree} \times 2\pi(4) \\ \\ = \frac{1}{4} \times 2\pi(4) \\ \\ l(\widehat{EF}) = 2\pi[/tex]

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