Slide $1$ please do the following: $($Focus on the $45$ degress hip flexion$)$

$(1)$ EStimate hip joint contact area: A$=?$ mm$^2$

$(2)$ Convert to m$^2$ A$=?*10^-6$m$^2$

Slide $2$ please do the following:

$(1)$ Do all the given calculations. $($For any part that mentiones "using the previous slide" you can look at slide $1$ for reference.

Note: There's no more informations to be added. first slide #$1$ have to be solved then using slide $1$ you can solve slide #$2.$