natashise natashise
  • 13-11-2021
  • Mathematics
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HELLP ILL GIVE BRSINLY

HELLP ILL GIVE BRSINLY class=

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silirobert15
silirobert15 silirobert15
  • 13-11-2021

m = 180 - CBE = 180 - [ 360 - BDC - BED - (180 - DCE - DEC)]  = 180 - [ 360 - 90 -90 - (180 - 13*2)] = 154

P/s: 180 - DCE - DEC = CDE

ok done. Thank to me :>

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