A ruler with a bevelled edge, a highly pointed pencil, ideally a kind of set squares, and a pair of compasses for justification of the technique employed are required for the construction of fundamental figures such as a triangle, bisecting a line segment, or drawing a perpendicular at a point on a line. It is the basic concept of construction. Refer to Vedantu’s NCERT Solutions for Class 10 Chapter 11 to understand the concepts of this chapter.