Answer:
y=180-63-63/2=27degree...in triangle mln
x=180-27-63=90....in triangle mon
Step-by-step explanation:
slope= <u>y</u><u>²</u><u>-</u><u>y</u><u>¹</u>
x²-x¹
<u>-12--6</u>
5-2
-12+6