radomes.openskiesproject.org
realcookie
realcookie realcookie
  • 20-02-2017
  • Mathematics
Answered

plz plz plz help me thx

plz plz plz help me thx class=

Verified Answer :

Mosogourmet
Mosogourmet Mosogourmet
  • 20-02-2017

Formula for area - radius squared times pi ( 3.14 or 22/7 )
40 40 = 160 3.14 = 502.4
502.4 / 2 = 251.2

251.2 is the area of the semicircle.

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sapphirenightcutter
sapphirenightcutter sapphirenightcutter
  • 20-02-2017

3.14 * 1600 = ? then divide that by two then you are done :)

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