Question: Maple plots dimensions??

Is it possible in Maple to choose the dimensions for a plot? I mean to choose the height and the width of the plot?
For example, to enlarge the plot to the whole width of the maple page? Is it possible?
I need to do this because I have to plot together objects of different dimensions
 and so the smaller ones look too small, so I would like to enlarge the plot to solve the problem. 

Thanks everybody for help

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