Question

. WRITE ONLY WHEN YOU ARE FULLY CONFIDENT...OK​

Answer 1

Answer:

60 degree is correct answer

Answer 2

Heyy buddy...

Ur answer is 80°

Let the angles of triangle ABC be 5x, 7x, 6x

5x+7x+6x=180°

18x=180°

x=10

BAC=5(10)=50°

ACB=7(10)=70°

CBA=6(10)=60°

DCE=60°

DEC=180-(30+70)

DEC=180-100

=80°