Help me! giving brainliest if u get it right, also show explanation (it isnt 34)

Step-by-step explanation:

Use property of exterior angles:

Here we have:

So the equation is:

If you think it is not 34°, then your question must be asking to find something else (e.g. angle D, which is 68°)

the square root of what number? if you add that, then someone will probably answer the question.