A shape with five sides would be a pentagon, but a shape can not have 5 right angles. Squares and Rectangles are both shapes with 4 sides and 4 right angles. They are the only shape with the same amount of right angles as there is sides.
a rhombus
A decagon.
hexagon
A square.
its a trapezium
Rhombus
Perpendicular side meet at right angles.
a diamon, pentagon, nonagon, heptagon
A pentagon. If the sides and angles are equal it is a REGULAR pentagon.
You call it a parallelogram.
Rhombus
Rhombus