axgell
axgell axgell
  • 11-12-2019
  • Mathematics
contestada

Will reward brainliest

Will reward brainliest class=

Respuesta :

SvetkaChem
SvetkaChem SvetkaChem
  • 11-12-2019

Answer:

∠C = 110

Step-by-step explanation:

∠AGC = ∠DGF as vertical, and

∠AGC = ∠DGF = 1/2(AC + DF)= 1/2(81 +59) = 1/2 *140 = 70

∠AGC + ∠DGF = 70 + 70 = 140

∠AGD + ∠FGC + ∠AGC + ∠DGF = 360

∠AGD + ∠FGC + 140 = 360

∠AGD + ∠FGC  = 360 - 140

∠AGD + ∠FGC = 220

∠AGD = ∠FGC, as vertical, so

2*∠FGC = 220

∠FGC = 110

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