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Anonymous Anonymous
  • 17-07-2016
  • Mathematics
Answered

Someone please help me with this!

Someone please help me with this! class=

Verified Answer :

jhonyy9
jhonyy9 jhonyy9
  • 17-07-2016

so the last one is right sure because 

area of square is x^2 
area of this semicircle is pi((x/2)^2)/2 = pix^2/8

so area of this spectator section = x^2 - pi*x^2/8 

hope helped

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