merongiday merongiday
  • 24-06-2021
  • Mathematics
contestada

find the area of a semicircle whose radius is 2.4 cm

Respuesta :

Hrishii
Hrishii Hrishii
  • 24-06-2021

Answer:

[tex] 9.0432 \: {cm}^{2} [/tex]

Step-by-step explanation:

Area of semicircle

[tex] = \frac{1}{2} \pi \: {r}^{2} \\ \\ = \frac{1}{2} \times 3.14 \times {(2.4)}^{2} \\ \\ = \frac{1}{2} \times 3.14 \times 5.76 \\ \\ = \frac{1}{2} \times 18.0864 \\ \\ = 9.0432 \: {cm}^{2} [/tex]

Answer Link
sreedevi102
sreedevi102 sreedevi102
  • 24-06-2021

Answer:

Area of semi circle = 9.05 square cm

Step-by-step explanation:

[tex]Area \ of \ circle = \pi r^2\\\\Area \ of \ semi - circle = \frac{1}{2} \pi r^2 = \frac{1}{2} \pi (2.4)^2 = 9.047 = 9.05 \ cm^2[/tex]

Answer Link

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