management is based on the belief that productivity is maximized when organizations are rationalized with precise sets of instructions based on time-and-motion studies.

The correct answer is: Scientific Management.

Explanation:

To begin with, the name of "Scientific Management" refes to the theory created by Frederick Taylor and therefore that it is also commonly known as "Talyrosim" after its creator. This theory focus on the job of introducing the science to the management of a company and more specifically to the labor processes and its productivity. That is why that its main objective is to look for the way to increase the labor productivity of the organization and all of its workers due to the fact that it was first established in times of industrialism. The most important contribution he made was the use of measuring the time of the workers in order to understand how they work and how can they be better at it.

parallelogram formula is b*h because u can just move a part of the triangle to make it become a rectangle or square. so square/rectangle's formula is the exactly same.

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hope this helps :D