Question

In the triangle XYZ, find the measure of angle y.​

Answer 1

Answer:

It has been given that,

⇒ ∠X=∠Y+40o  ....(1)

⇒ ∠Z=90o  ....(2)

In triangle XYZ

∠X+∠Y+∠Z=180o

⇒ ∠Y+30o+∠Y+90o=180o

⇒ 2∠Y=180o−90o−30o

⇒ ∠Y=260o

⇒ ∠Y=30o