heylolhaha heylolhaha
  • 12-10-2021
  • Mathematics
contestada

someone please answer!!

someone please answer class=

Respuesta :

Sashakay
Sashakay Sashakay
  • 12-10-2021

Answer:

40°

Step-by-step explanation:

180-(57+43)=100°

which mean the angle at the top =100°

180-100=80°

x=80/2

x=40

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