Question

Find of AB II CD, CD II EF and y:z=3:7, find x.​

Answer 1

Answer:

126°

Step-by-step explanation:

Let y=3a and z=7a

y+x= 180°. (Co interior angles)

x= 180-3a

z + y = 180 (corresponding angles and linear pair)

3a +7a =180

a= 18

x= 180-3a

x= 180-54

x= 126°