Bigpapi77 Bigpapi77

18-03-2021
Mathematics

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Please help I want to make sure that I’m doing this right

Please help I want to make sure that Im doing this right class=

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chinmayeeBTS chinmayeeBTS

18-03-2021

Exterior angle of a triangle = sum of two opposite angles of the exterior angle
138 = x + 55
138 -55 = x
x = 83

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