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Given a line: (x1,y1)-(x2,y2)<br />
given a line; (x1,0)-(x2,100)<br />
how can i find the angle of these 2 lines?
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Given a line: (x1,y1)-(x2,y2)
given a line; (x1,0)-(x2,100)
how can i find the angle of these 2 lines?

Angles

Visual Basic is Microsoft’s event-driven programming language and integrated development environment (IDE) for its Component Object Model (COM) programming model. It is relatively easy to learn and use because of its graphical development features and BASIC heritage. It has been replaced with VB.NET, and is very similar to VBA (Visual Basic for Applications), the programming language for the Microsoft Office product line.