Sure. That's what you have when you extend the sides
of a right triangle a little bit past the vertices.
sides of a right angle
yes
A square.
A line.
1
circle
square
sides of a right angle
How many pairs of perpendicular sides does this figure have?
A single side cannot be perpendicular on its own. Two sides are perpendicular if they intersect at a 90 degree angle. There are many polygons, both regular and irregular, that can have perpendicular sides.
squares and rectangles
yes
Any polygon with four or more sides can have perpendicular and parallel lines.
what two- dimensional figure results from slicing a right triangular prism with a plane perpendicular to its bases
Square, rhombus or a kite.
A square.
A line.