Question: Write a program that enables the user to drag the vertices of a triangle and displays the angles dynamically as the triangle shape changes, as

Write a program that enables the user to drag the vertices of a triangle and displays the angles dynamically as the triangle shape changes, as shown in Figure 15.32a. The formula to compute angles is given in Listing 4.1.

e 00 Exercise15 20 78.69 51.34 49.97 (a)

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