Respuesta :

Sum of two interiors=exterior

[tex]\\ \sf\longmapsto x+72=90+34[/tex]

[tex]\\ \sf\longmapsto x+72=124[/tex]

[tex]\\ \sf\longmapsto x=124-72[/tex]

[tex]\\ \sf\longmapsto x=52[/tex]

Step-by-step explanation:

According to question,

x+72°=90°+34° because the sum of two interior angles is equal to the opposite exterior angle.

x+72°=124°

x=124°-72°

x=52°