A Simplified Form
Im a year late so this for the next person who might need it like I did Lol
All you have to do is just put the same variable on the same side as each other.
The sum of the interior angles of any triangle is 180 degrees.
Answer:
<em>60</em><em> </em><em>will</em><em> </em><em>be</em><em> </em><em>the</em><em> </em><em>value</em><em> </em><em>of</em><em> </em><em>x</em><em> </em><em>of</em><em> </em><em>this</em><em> </em><em>question</em><em> </em>
B=sqrt(7^2+15^2)
Hope it helps