Antarctica is a continent of approximately 14,000,000 sq km.
The Transantarctic Mountains divide Antarctica into east and west.
East Antarctica constitutes the bulk of the land mass and is the oldest part of the continent.
West Antarctica is the newer and smaller area which includes the Antarctic Peninsula and consists of four land areas separated by deep water.
the middle of something divides it into two equal parts not the center because the center divides it into 4 equal parts
Lake Michigan divides Michigan into two parts
The midpoint or bisector divides a segment into two congruent parts.
The midpoint divides a line segment into congruent parts.
A bisector.
You may be thinking of the Trans Antarctic mountain range.
It is a line of symmetry.
You may be thinking of the Trans-Antarctic mountain range that divides east and west Antarctica.
The equator.
bisector
numerator and denominator
A chord is a straight line within a circle that divides the circle into two parts - these parts are called arcs.The diameter is a chord that runs through the centre of the circle and divides the circle into two equal parts.