Question

please help me solve question vi)

Answer 1

Step-by-step explanation:

1st,

A + B + C = 180 °

56 + 4x + 10 +3x -26 = 180

7x + 40= 180

7x = 140

x = 20 °

Than,

measured of angle C = 3* 20 - 26 = 34 °

Now,

measure of exterior angle at C = 180 - 34

= 146° answer

Answer 2

Step-by-step explanation:

The answer is 146 degreee