Answer:
102
Step-by-step explanation:
We can find x by using the fact that the angles in a triangle add up to 180.
73+42+x=180
x = 65
We can find y by using the fact that angles on a straight line add up to 180.
131+y=180
y=49
We can find the third angle in that triangle.
65+49+n=180
Let n represent the third angle in the triangle.
n=66
Then z + n = 180
z + 66 =180
z= 144
Let the angle in the bottom left be i
z+i = 180
144 + i = 180
i = 36
Let's find l.
The angles in a triangle add up to 180.
36 + 49 + l =180
l = 95
y is a vertical angle.
95+ y + u = 180
95+49+u=180
u=36
180-36=144
then the right triangle (with angle of 42) has a corner of 36.
36+42+t = 180
t= 102
102 + f = 180
f = 78
f + w = 180
78 + w = 180
w = 102
