Respuesta :

tara851
108 degrees because angle 2 plus angle 1 makes a straight line which is 180

here ∠1 and ∠2 are supplementary angles (sum is 180 degrees)

m∠2+m∠1=180

m∠2 +72=180

m∠2=180-72 =108 degrees.

option B . 108° is correct