squares or rectangles
jad atilano
A rhombus has parallel lines but no perpendicular lines.
Any polygonal shape, other than a triangle can have perpendicular lines.
Shape of a T
A right-angle triangle.
a rhombus
A circle
Lines that form a 90 degree angle at their vertex. Two lines that make a 90 degree are perpendicular.
Not possible. The shape will either be incomplete or have intersecting lines.
a square i think
A plus sign.
a square or a rectangle