Answer:
111°
Step-by-step explanation:
to solve for x, first find the unknown angle in the triangle.
let the unknown angle= y
48+63+y = 180(sum of angles in a triangle)
111+y = 180°
Y= 180-111
Y= 69°
TO FIND X
X+69= 180 (ANGLES ON A STRAIGHT LINE)
X= 180-69
X= 111°
