Question

in triangle abc,de parallel with bc and point o is the incenter of the triangle .if bd=6 and ec=4 find de?point o is on de

Answer 1

is there any relation between the point o and the line DE?

Answer 2

point o is in the line de

Answer 3

Remind me the convention, is D on the left or the right (ie is DB a side or diagonal of the trapezoid)