Question

in a ∆xyz,if Lx = 90° and Lz =48°,find LY​

Answer 1

Answer:

x+y+z=180 ( sum of angles of triangle is 180)

90+48+y=180

138+y=180

y=180-138

y= 42

Answer 2

Answer:

<y=180-(<x+<z)

y = 180 -(90+48)

y= 180 - 138

y= 42.