How to find the area of an oblique triangle

The video tutorial explains how to find the area of a triangle by identifying the base and height. It discusses the flexibility in choosing different bases and the importance of knowing or finding the corresponding height. The tutorial walks through calculations using specific base and height values, demonstrating the process of determining the area step-by-step.

Explain why the teacher decided to use 4.5 as the base instead of other lengths.

What is the area of a triangle with a base of 4.5 and a height of 11.25?