Question

Can someone explain what this sentence means?
Construct a line interval from the vertex of a parabola directly to the directrix?

Answer 1

Is it asking draw a line from the vertex to the directrix?

Answer 2

I know the points for:
\[\text{Vertex, Focus}\]

Answer 3

Do you know what it means, @ikram002p?

Answer 4

yeah sure :P
draw a parabola with V and D
and only construct a perpendiculer

Answer 5

SO :