9 perpendicular lines
A Star has 0 perpendicular lines!
Perpendicular lines are lines that intersect at a 90-degree angle. In two dimensions, perpendicular lines form right angles, which are commonly found in the shape of a square, rectangle, or any other quadrilateral with perpendicular sides. In three dimensions, perpendicular lines can form the edges of a cube or rectangular prism.
24
4.
24
there is 15 perpendicular lines in a cube
I believe they do, and they have 2 perpendicular lines.
12ten
twelve
Yes.
Octagons have no perpendicular lines.
An octahedron has 7 perpendicular lines.
There are four perpendicular lines in a rectangle
There are 12 edges in a cube.
Each of the four lines is perpendicular - to two of the other lines.
Not sure what a dimond is but a diamond has no perpendicular lines.