Question

Find the unknown angle

Answer 1

Answer:

y =90° and x=50°

Step-by-step explanation:

y=90° because y and the 90° angle are making adjecent angles

hence,y+90°=180°

y=180-90

y=90

Also x,

we know sum of three angle of triangle is 180°

So,40+90+x=180°

130+x=180°

x=180-130

x=50°