Answer:
20
Step-by-step explanation:
first look at the line which says a and 135, they add up to 180 so
a + 135 =180
a= 180-135
a= 45
Then to find the x we will have to add all the angles inside the triangle which would add up to 180
So,
x+115+45=180
x+160=180
x=180-160
x=20
THEREFORE X = 20⁰
