Click here to read the complete problem statement.

Can anybody give hints to solve it?

AEB=140°

Also you will have to use the theorem : The sum of the three angles of a triangle is 2 right

what is the final answer?

Click here to read the complete problem statement.

Can anybody give hints to solve it?

Also you will have to use the theorem : The sum of the three angles of a triangle is 2 right

what is the final answer?