5
A pentagon has 5 sides
pentagon
A pentagon has 5 sides
Not sure about sids, but it has 7 sides.
A cone does not have any sids. A finite cone has two faces.
6
8
Three or more
9 sides
A tetrahedron has four faces.
A regular polygon has as many sides as it has vertices, and the number of sides is equal to the number of angles. For example, a triangle has 3 sides, a square has 4 sides, and a pentagon has 5 sides. In general, an n-sided regular polygon is referred to as an n-gon.
SIDS Alliance: (800) 221-SIDS San Diego Guild for Infant Survival: (619) 222-9662 California SIDS program: (800) 369-SIDS SIDS Massachusetts Center: (617) 534-SIDS i am doing a reseach about sids and i have to have all differtant thing about itcan you send me paper about it please