Question

5. Side BC of ABC has been produced to D on left-hand side and to E on right-hand side such that ZABD 125° and ZACE = 130°. Then ZA = ?​

Answer 1

Explanation:

R.E.F image 

By linear angle

property,

∠1+96=180∘

⇒∠1=84∘

Similarly ∠2+130∘=180∘⇒∠2=50∘

Now as sum of angles in a 

triangle =180∘,⇒∠1+∠2+∠3=180

⇒∠3=180−134=46∘