Not necessarily. Every side of a regular pentagon is the same length, but there is an infinite variety of irregular pentagons in which no two sides are the same length.
It is the same as for a rectangle, the length of the shorter side x the length of the longer side
Not necessarily. Usually only the opposite side are of equal length. If all 4 sides are of the same length, the parallelogram is [also] called a rhombus.
isosceles tringles consist of two sides being the same length and one side being a different length. example the length of side a is 4cm the length of side b is 4cm and the length of side c is 6cm
The side length of a cube that has the same volume of a sphere with the radius of 1 is: 1.61 units.
The length of the third side is the same as the length of either of the other two sides.
its the same as all other side lengths
no
squares
It's the square of the length of a side. If the length of a side is L, then the area of the square is L2, or L * L.
a square
All squares have four right angles and all sides the same length. All squares having the same side length are the same.