Respuesta :

thishigopal

Step-by-step explanation:

angle e = 82(opp angles)

take ∆aef, angle a is bisected. angle eaf = 45, angle e = 82.

so angle efa = 180-127= 53

b° = 90-53= 37°

take ∆ adf .

a+90+53= 180

a+143=180

a = 37°