Question

find the unknown angle​

Answer 1

Answer:

$90°+x+38°=180°[angle~sum~property]$

$x+128°=180°$

$x=180°-128°$

$x=52°$

Answer 2

Step-by-step explanation:

solution :

x+90°+38°=180° (: being sum of angles of triangle )

or, x+128°=180°

or, x=180°-128°

:. x=52°