The environment around us is an essential part of human survival. I like to believe that people who do not care about the environment, simply do not understand how important it is to all of us and that it does not affect them directly, these are my reasons you should be concerned about the environment. The more you don’t care about our environment, the more it will become polluted with contaminants and toxins that have a harmful impact on our health. Air pollution can cause respiratory diseases and cancer, among other problems and diseases. Water pollution can lead to typhoid, diarrheal diseases, and another one. The local authorities have to promote care the environment.
You have already demonstrated that the area of a triangle is equal to a half of the product of the base by the height. however, such a demonstration was made with an obtuse angle scalene triangle like this: your task now is to show that the same conclusion is reached with a scale scale triangle like this:
