Question: How to plot a triangle formed by two vectors and the cross product vector on the same plot?

I have a vector calculus question. I was given three points, p,q, and r, and I got Maple to calculate vectors pq and pr. I also got Maple to calculate the cross product vector, pq x pr. The problem says to draw the triangle formed by p,q, and r, as well as the cross product vector. I tried to use the polygonplot tool to plot the triangle formed by the three points, but I am confused as to how to get the cross product vector to appear on the plot with the triangle. What tool do I use to plot the triangle with the cross product vector on it, so I can have a picture of the cross product vector starting at p, showing that it is orthogonal to vector pq and pr?

Thank you.

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