Question: Write a program that allows the user to specify a triangle with three mouse presses. After the first mouse press, draw a small dot. After

Write a program that allows the user to specify a triangle with three mouse presses. After the first mouse press, draw a small dot. After the second mouse press, draw a line joining the first two points. After the third mouse press, draw the entire triangle. The fourth mouse press erases the old triangle and starts a new one.

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