Question

1. The plane surface of a solid is called​

Answer 1

A solid shape, or solid, is any portion of space bounded by one or more surfaces, plane or curved. These surfaces are called the faces of the solid, and the intersections of adjacent faces are called edges.

Answer 2

The book is a solid, each of its six faces is a surface, each of its edges is a line and each of its corners is a point. ... (vii) Plane or Plane Surface: If the straight line joining two points on a surface lies wholly on the surface then the surface is called a plane surface or a plane.

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