First of all, we know that a line is 180°. This means if we add the angles of 61°, 57°, and angle y, we should get 180<span>°.

Simplify:

Subtract 118° to both sides:

We also know that all three angles of a triangle add up to 180<span>°. So we have:

Simplify:

Subtract 129° to both sides:

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Answer:
Find the value of x:-
To find Y, use Pythagorean theorem:- 




subtract 1.96 from both sides


Now, to find x:-



<u>~OAmalOHopeO</u>