a quadrilateral
a crescent has 19 sides
a pentagon has five sides and five angles.
A pentagon has five sides and angles.
A shape that has five sides is called a pentagon. A normal pentagon has all five sides that are the same length.
decagon
Not sure about a five sided shap, but a five sided plane shape is called a pentagon.
triangle.
A pentagon has five sides and five angles, the only 2-D shape with these characteristics.
a quadrilateral
hexagon
An octagon.
A kite and an arrow head are 2 of them
Hexagon
A nonagon has 9 sides
Multi-sided shapes are called polygons. In general, they are named according to the number of sides they have.Add a Greek prefix that signifies the number of sides to "gon." For instance, penta means five, hexa means six, hepta means, seven, and octa means eight. Therefore, a pentagon is a five sided shap, hexagon has six sides, heptagon has seven sides, octagon has eight sides, etc.
a crescent has 19 sides