Question

I need help please I’m confused

Answer 1

It should be 40 degrees, If you have a protractor, you could measure it.

Explanation:

I think it's 40 degrees because if you fold it in half, it would probably match.

Not the best explanation, sorry.

Answer 2

The answer is 50 degrees

Explanation:

The small box at the corner of the triangle indicates that the triangle is exactly 90 degrees, or a right angle. In order to solve the expression, you would need to do 40 + x = 90, which would be x = 50