EV SSC MCQ Question Ans. Coordinate Geometry. The portion of geometry where the algebraic expressions of points, straight lines, and curved lines are studied is familiar as the Coordinate Geometry. This portion of geometry is also known as the Analytic Geometry. With the plotting of points on the plane, the straight lines or the curved lines or the figures of the geometric regions made by them such as the triangles, the quadrilaterals, the circles etc. are expressed. The system of plotting of points on the plane is initiated by a French mathematician Rene Descartes (known as Descartes). The coordinate system of geometry initiated by Descartes is called after his name the Cartesian coordinate system. The coordinate geometry and the analytical geometry are mainly based on Cartesian coordinate system. So, Descartes is called the initiator of the analytical geometry.

## EV SSC MCQ Question Ans. Coordinate Geometry

In  the  first  part  of  the  chapter,  through  developing  the  concept  of  Cartesian coordinate system among the learners, the tricks of determining the distance between the two points will be discussed. In the second part, the method of determining the measurement of any triangle, quadrilateral created by the straight line will be discussed and in the third part, the tricks of determining the slope of the straight line and determining the simplification of the joining straight line between the two points will be explained. No figure or equation associated with the curved line will be discussed here. In higher classes, it will be discussed elaborately.

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