Selecting of a particular plane in a series of planes drawn cutting the solid either parallel, perpendicular or oblique which cut the surface of one of the solids in straight lines and that of the other in straight lines or circles. This is called ________method.

A development is the flat, unfolded surface of a 3D object. It's also known as a pattern, and it can show the true size of each area of the object. When the pattern is cut, it can be folded or rolled back into the original object.  An intersection is when two surfaces meet to form a line. For example, a dome fitted on a boiler is an example of an intersection, where the surface of the dome extends up to the line of intersection.  Some methods of development of surfaces include: Parallel line development Radial line development Triangulation development Approximate... Show more

A development is the flat, unfolded surface of a 3D object. It's also known as a pattern, and it can show the true size of each area of the object. When the pattern is cut, it can be folded or rolled back into the original object. 

An intersection is when two surfaces meet to form a line. For example, a dome fitted on a boiler is an example of an intersection, where the surface of the dome extends up to the line of intersection. 

Some methods of development of surfaces include:
Parallel line development
Radial line development
Triangulation development
Approximate development 

Knowledge of development is useful in the construction of storage vessels, chemical vessels, boilers, and chimneys. These vessels are manufactured from plates that are cut according to these developments and then bent into the desired shape.

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