Answer:
x = 125°
Step-by-step explanation:
180° - 55° = 125°
125°
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-Chetan K
<span>JKL is a right triangle because JK ¯ ¯ ¯ ¯ ¯ is perpendicular to KL</span>
Answer:

Step-by-step explanation:
The question is incomplete, as what is required is not stated and the triangle is not given.
So, I will solve generally.
The proof is as follows (see attachment for triangle)
From the attachment, we have:



Make f, e and d the subject



Add up the equations

Collect like terms


We have:

--- angles in a triangle
So, we have:

--- proved
3x+4xy=4
Factor our variable x
x(4y+3)=4
Divide both sides by 4y+3
x(4y+3)/4y+3= 4/4y+3
x= 4/4y+3
I hope that's help !