Answer:
a)5
b)17
c) ?

Step-by-step explanation:
Answer:
D. 56
Step-by-step explanation:
Answer:
see consider there are three angle 80 and x and 45(the measure of line is 180 so subtract 180 by 125 u will get 45) now measure of angle is 180 soo the value of x is 55degree so value of x is equal to that of z therefore value of z also 55 degree