Answer:
We know that opposite angle are congruent.
[tex]10x + 10 = 11x + 3 \\ \\ 10x - 11x = - 7 \\ - x = - 7 \\ x = 7[/tex]
So, We found out that x = 7,
So, Putting x = 7 in 10x+10
[tex]10 \times 7 + 10 \\ \\ = 70 + 10 \\ \\ = 80[/tex]
So, The measure of angle 10x+10 is 80.
