What is a biesct?

Answer 1

To bisect something.

Bi (think Bicycle)- how many wheels? - 2.

Sect (think Section) - pieces

To bisect something means to cut it into 2 pieces, namely, in half.

You usually hear the word bisect in geometry class when dealing with angles.

For example: What is the measure of the angles when a 90 degree angle has been bisected?

This means, cut 90 degrees in half (divide by 2).

Each new angle formed will be 90/2 or 45 degrees.