Brake pad replacement on Partner Tepee

[Pete27]

Hi,
I have brought some new brake pads, which I have found are directional. There are no marks and double chamfers. I checked the Ferodo web site and it says fit the larger chamfer to the leading edge of the rotor.
My question is, when it says larger chamfer, does this refer to the steeper angle or the larger surface area.
Many thanks

[MikeT]

The most worn edge is the larger chamfer. ie, less contact area.