Question

What is Quadrant !??​

Answer 1

1:

each of four quarters of a circle.

2 :

an instrument used for taking angular measurements of altitude in astronomy and navigation, typically consisting of a graduated quarter circle and a sighting mechanism.

Answer 2

Answer:

The axes of a two-dimensional Cartesian system divide the plane into four infinite regions, called quadrants, each bounded by two half-axes. These are often numbered from 1st to 4th and denoted by Roman numerals: I coordinates are I (+; +), II (−; +), III (−; −), and IV (+; −).