When finding the surface area of the rectangular pyramid, what dimension will be used to find the height of the triangular sides?(1 point)

?m
Slant Hight: 9m
The line in the middle of the triangle: 8.8m
Base: 6m
sides: 2m

To find the height of the triangular sides, you would use the slant height of the pyramid. In this case, the slant height is given as 9m.