amalia008
amalia008 amalia008
  • 10-04-2021
  • Mathematics
contestada


Work out the area of this quarter circle of radius 8 cm.
Give your answer in terms of pie .

Work out the area of this quarter circle of radius 8 cm Give your answer in terms of pie class=

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Hrishii
Hrishii Hrishii
  • 10-04-2021

Answer:

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

Step-by-step explanation:

[tex]A = \frac{90 \degree}{360 \degree} \times \pi ({8})^{2} \\ \\ A = \frac{1}{4} \times \pi \times 64 \\ \\ A = \frac{1}{4} \times 64\pi \\ \\ A =16\pi \: {cm}^{2} [/tex]

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