ggarciaadrianaa ggarciaadrianaa
  • 08-06-2018
  • Mathematics
contestada

help me please!!!!!!!!!!!!

help me please class=

Respuesta :

Skinider
Skinider Skinider
  • 08-06-2018
here, diameter(d)= 40m
so, 
   radius(r)= d/2 = 40/2 = 20
then,

Area of semicircle(A)= πr²/2
                                 = 3.142857143 * (20)² /2
                                 = 628.517 cm² 
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