Period of the Simple Pendulum without Differential Equations

The purpose of this research is to learn that the topics of Physics, such as the period of a simple pendulum, only require the use of simple concepts of energy and trigonometric relationships to determine the theoretical mathematical model that allows to calculate this period, at the baccalaureate level. Two of the difficulties that are presented to students of High School Physics is to deal with complex equations for the determination of the period of a pendulum and the hard task of understanding which are the important variables in the mathematical model that determines the value of said period, that is why we decided to develop this work, so that it serves the Physics teacher as a strategy in the classroom in the development of the simple pendulum theme without Differential Equations