👤

Answer :

Answer:

15

Step-by-step explanation:

Notice that 7c-7 and 6c-8 angles form a straight line. This means there angles add up to 180.

[tex]7c - 7 + 6c - 8 = 180[/tex]

[tex]13c - 15 = 180[/tex]

[tex]13c = 195[/tex]

[tex]c = 15[/tex]