Respuesta :

Answer:

honestly sorry what subject that

Answer:

a=11 and b=12

Step-by-step explanation:

1) 106=9b-2 (Angles B and D are congruent)

2)b=12 (Find answer)

3)180-106=74 (Angle C + Angle D= 180)

4)7a-3=74 (Find Angle C)

5) a=11 (Find Answer)