Christmas MT's answer to Nimysha Gal's Primary 5 Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Christmas MT
Christmas Mt's answer
3427 answers (A Helpful Person)
Hint:

Sum of angles of triangle = 180°

Straight line = 180°

Alternate angles are equal.

These are the rules for this questions. You can read your textbook on other rules. Think of what are the informations you will need to get to the "x"