heylolhaha heylolhaha

12-10-2021
Mathematics

contestada

someone please answer!!

someone please answer class=

Respuesta :

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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