What is value of x?
What I the measure of angle C?

To find the answer, we can use the angles sum of triangle, where the sum of angle of a triangle will be 180°.
In this case, we can set an equation to find the answer:
35°+52°+3(x+2) = 180°
3x + 3(2) = 180°-35°-52°
3x = 95 - 6
x = 87/3
x = 29
Therefore, x = 29.
We can then find the measure of angle C by putting the value x in the equaiton:
3((29)+2)
=29(3) + 2(3)
=87 + 6
= 93°
Therefore, angle C is 93°.
Hope It helps!