briefly describe one model for each?

Question

1. in a class-room two intersecting lines
2. on a city map postulate 2
3. in a home two intersecting planes

Answer 1

1) On your classroom's whiteboard, the left side intersects the top side.

2) What?

3) In a room at home, one wall intersects the other wall

Answer 2

1.) Wall Edges

2.) Postulate 2 ? Atleast write out the question fully if you want your homework done.

3.) Walls