Answer:
8b + 11 + 6x + 5c
Step-by-step explanation:
(8b + 7) + (6x – 4) + (5C + 8)
8b + 7 + 6x - 4 + 5c + 8
C
70+20=90 and thats a right angle which is 90°
AAS' s congruence theorem will be used in this proof