Answer:
[tex]<4 = 25[/tex]
Step-by-step explanation:
Given
[tex]<6 = 155[/tex]
[tex]<5 = 25[/tex]
See attachment for figure
Required
Find [tex]<4[/tex]
From the attachment: <4 and <6 are interior angles
So:
[tex]<4 = 180 -<6[/tex]
This gives:
[tex]<4 = 180 -155[/tex]
[tex]<4 = 25[/tex]
