llScaryMommyll
llScaryMommyll llScaryMommyll
  • 18-03-2022
  • Mathematics
contestada

Find the area of a sector of a circle with radius 6 cm if angle of the sector is 60°.​

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semsee45
semsee45 semsee45
  • 18-03-2022

Answer:

[tex]\textsf{area of a sector}=\dfrac{\theta\pi r^2}{360\textdegree} \mathsf{\ \ (where\ \theta \ is\ in\ degrees)}[/tex]

Given:

  • radius (r) = 6 cm
  • [tex]\theta[/tex] = 60°

[tex]\implies \textsf{area}=\dfrac{60\textdegree \times\pi \times 6^2}{360\textdegree}[/tex]

[tex]\implies \textsf{area}=\dfrac{2160\pi}{360}[/tex]

[tex]\implies \textsf{area}=6\pi \textsf{ cm}^2[/tex]

[tex]\implies \textsf{area}=18.85\textsf{ cm}^2 \textsf{ (nearest hundredth)}[/tex]

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