I chose to measure one of the walls from the outside of my house.

Person’s Height: My height is roughly 5’4.5, which the same as saying 163.83cm

The Distance Between the Mirror and I: The distance between where I was standing and where the mirror was placed was 35cm.

The Distance Between the Mirror and the Wall: The distance between where the mirror was placed and the wall was 105cm.

Here is a diagram I created to show my information..