Answer:
B.13
C.160
Step-by-step explanation:
.1)since diagonals of rhombus bisects each angles magkakaroon tayo ng
6x + 2 = 80
6x =80-2
6x = 78
x = 13
2)in parallelogram opposite angles are congruent
yung opposite ni angle ABC is angle ADCyung value ni ADC is
80 + 80
ADC = ABCADC = 160
ABC = 160