latex width figure
documentclass{report}
usepackage[english]{babel}
usepackage{graphicx}
begin{document}
includegraphics[height=3cm]{example-image-b}
includegraphics[width=5cm]{example-image-b}
includegraphics[height=3cm, width=3cm]{example-image-b}
includegraphics[height=3cm, width=6cm]{example-image-b}
includegraphics[keepaspectratio,height=3cm, width=6cm]{example-image-b}
end{document}