Question

find the value of X in the above fig wit explanation pls?

Answer 1

In triangle abo
Angle b =3x+10
Ab =oa
Angleb =angle o
Angle o =3x+10

In triangle cod
Angle c=2x
Angle cod =3x+10=angle d

By angle sum property
2x+3x+10+3x+10=180
8x+20=180
8x=160
X=20