Why is coordinate geometry used?(a) To find square root of a number(b) To locate a point in a plane precisely(c) To create different shapes(d) To multiply numbersI had been asked this question in examination.The doubt is from Coordinate Geometry & Cartesian System in division Coordinate Geometry of Mathematics – Class 9

Why is coordinate geometry used?(a) To find square root of a number(b)

1.	Why is coordinate geometry used?(a) To find square root of a number(b) To locate a point in a plane precisely(c) To create different shapes(d) To multiply numbersI had been asked this question in examination.The doubt is from Coordinate Geometry & Cartesian System in division Coordinate Geometry of Mathematics – Class 9
Answer» The correct option is (b) To locate a point in a plane precisely The best I can explain: CONSIDER the diagram given below. Suppose we want to KNOW the location of point p, would it be enough if we only KNEW that the distance between the point and x – axis is 4? Would it be enough if we only knew that the distance between the point and y – axis is 6? Certainly not. But if we know that it’s distance from x – axis and y – axis is 4 and 6 respectively, then we can easily locate it in a plane. Hence, coordinate geometry makes it easier to locate any point in a plane precisely.

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