Question

calculate the size
of each lettered angle​

Answer 1

Answer:

x+55+70=180( angle.sum property of triangle )

x=180-125

x=55

z+130=180( linear angle )

z=180-130

z=50

z+x+y=180( angle.sum property of triangle )

50+55+y=180

y=180-105

y=75