Question

In quadilatteral have angle A=70 B=110and angle c=120 what is angle D​

Answer 1

Angle d = 360 - 70 - 110-120

《D = 60 degree

Answer 2

angle A +angle B+angle C +angle D=360°

70°+110°+120°+ angle D=360°

300°+ angle D =360°

angle D =360°-300°=60°

please mark this answer as a brain list answer..