Question

Find the value of x and y in the following
digram

​

Answer 1

Mark the Triangle as ABC and D

$y+105°=180°$(Find value of y)

$y= 180-105= 75$ 〰 By linear pair

━━━━━━━━━━━━━━━━━━━━━━━━━━━━

In ∆ ABC,

$x+40°+75°= 180$ 〰 (Angle sum property)

$x+ 115° = 180°=180°-115°=65°$