Question

Find the value of ?

(the correct answer is 37, but I don’t know how my teacher got that answer, please explain, thank you!)

Answer 1

Explanation:

1 - The Left Triangle calculate

2- The Middle between of them

( It makes 180 deg )

3 - The Right Triangle calculate

All of these equal to 180

( X = Variable to find any angle )

I hope that it's a clear explanation.