The opposite of having a meeting is doing something productive; therefore "Meeting, it's the opposite of doing"
The opposite angles are simply called opposite angles. They always have the same measure.
Congress is the opposite of Progress...
A whirlpool occurs when opposite currents meet.
Moraine
Recessed line
node Any number of currents can meet at a node, not just two.
There are many such shapes. Any polygon with an even number of sides can have opposite sides that meet the above requirements.
Since avoid means to stay away, escape, or fend off an opposite meaning could be seek. You could also say face or meet.
only if the friend is opposite sex
well it meets in different chambers on opposite sides of the Capitol Building in Washington D.C.
If it is a polygon with an even number (>2) of vertices, join any two pairs of opposite vertices. These lines will meet in the centre. If it is a polygon with an odd number (>1) of vertices, join any two vertices to the midpoints of the opposite sides. These lines will meet in the centre.
Angles are the points at which lines meet. Sides are the opposite, being the lines that connect at angles.