two directions without break in the slope on each side

two directions with break in the slope on each side

four directions without break in the slope on each side

four directions with break in the slope on each side

ridge board

hip rafter

eaves board

valley rafter

hip

gable

ridge

eaves

(i) and (iii)

(i) and (iv)

(ii) and (iii)

(ii) and (iv)

2.5 m

3.5 m

4.5 m

5.5 m