riaziyasha riaziyasha

05-03-2021
Mathematics

contestada

I am down help please

I am down help please class=

Respuesta :

thebecks thebecks

05-03-2021

Answer:

180 degrees

Step-by-step explanation:

angle 1 = 90 degrees

angle 4 = angle 1 because they are vertical angles

360 - 90 - 90 = 180 degrees

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