How to find the area of an oblique triangle

The video tutorial explains how to find the area of a triangle using the formula involving two side lengths and the sine of the included angle. The instructor begins by visualizing the triangle and converting angle measurements to decimal form. The calculation process is demonstrated step-by-step, emphasizing the importance of understanding the formula's components. The lesson concludes with a brief mention of homework, reinforcing the concepts covered.

Explain the significance of the sine function in the area calculation of a triangle.

What was the final calculated area of the triangle in the example?