Trapezoid
A pentagon is a 5 sided polygon
A figure made with five lines is often referred to as a "pentagon." In geometry, a pentagon is a five-sided polygon. If you're referring to a drawing or symbol created with five lines, it might also be called a "quintet" or "pentagram," depending on the context.
yes
An octagon is an eight-sided figure.
impossible?
trapezoid :)
parrellogram
In geometry, a heptagon is a polygon with seven sides and seven angles.
A 5 sided polygon in geometry is a pentagon.
Squares always have two pairs of opposite sides that are parallel. A square cannot have just one pair of parallel sides. A quadrilateral (four-sided figure) with exactly one pair of parallel lines is a trapezoid.
Paralellagram, Square or Rectangle
A trapezoid is a shape that has 4 sides and 2 parallel sides. The sides that are parallel are called the bases.