A PLANE has two sides
There is no such thing as an object with two sides.
It is still called an island.
In a right triangle, the two shorter sides are called legs.
Scalene is no two sides are equal.
The two sides of your brain are called the left and right hemispheres.
The two sides of a coin are called head and tail.
A PLANE has two sides
There is no such thing as an object with two sides.
Technique that prints both sides of a page automatically is called duplex printing and the way which only prints one side of page is called simplex printing. Most of the printers that are available in the market have the duplex printing facility.
The page margins
An angle consists of two rays called sides with a common endpoint called the vertex.
Each point of a polygon at which two sides intersect is called VERTEX
A triangle which has no two sides congruent is called a Scalene Triangle.
A point that two sides of a polygon have in common is called a vertex. Each regular polygon has an equal number of sides as vertices.
A triangle that has at least two congruent sides is called an isosceles triangle. It has two equal sides and two equal angles.
It is still called an island.