Respuesta :

Answer:

<m=76°

<n=76°

Step-by-step explanation:

it's a isosceles triangle

according to the question the equation is

28+2x=180

2x=180-28

2x=152

x=152/2

x=76

Isosceles triangle has two equal sides so

<m=<n

therefore

<m=76°

<n=76°

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