Please help me with this problem

For triangle 1, X= 130, because 15+35=50 and 180-50=130 so x would have to be 130 since you still need 130 degrees to make it a full triangle.

For triangle 2, you still need 123 more degrees for it to be a full triangle. So X= 22, because 3x22=66, and (2x22+13)=57, and 57+57+66=180, and all triangles add up to 180 degrees

For triangle 3, I can't figure out the answer but I do know that the 2 unknown angles add up to 90 degrees.

For the next section, both sets are congruent, because they line up equally to each other, and congruent means the same, equal, or identical.

For the next section, just by looking at them, at least I can tell that they are congruent, I don't know if you can, but I can.  

Angle P would be equivalent to angles M and N, I know this because that middle triangle is an equilateral triangle and in an equilateral triangle all sides are the same.

And the last section,

Triangle 11- the 2 unknown angles have to add up to 139 because 180-41=139. So, X=15, because (2x15-9)=21, 7x15+13=118, and 21+118=139, and 139+41=180.

Triangle 12- I am confused, Sry

Triangle 13- I am confused, Sry

Triangle 14- I am confused, Sry

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~coco

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step-by-step explanation: