jamesnuttall920 jamesnuttall920
  • 15-04-2022
  • Mathematics
contestada

Find the area of a semicircle with diameter 9 cm

Respuesta :

jsimpson11000 jsimpson11000
  • 15-04-2022

Answer:

31.8  cm^2

Step-by-step explanation:

Area of WHOLE circle  = pi r^2

semicircle is 1/2 of this    ( r = 1/2 of the diameter)

  1/2 pi r^2

  1/2 pi  (9/2)^2 =

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