Correct Answer:
Option C - Rise– This is the clear vertical distance between the highest point on intrados and the springing.
Depth of arch– This is perpendicular distance between the intrados and extrados.
Hunch– This is the lower half of the arch between the crown and skew back.
C. Rise– This is the clear vertical distance between the highest point on intrados and the springing.
Depth of arch– This is perpendicular distance between the intrados and extrados.
Hunch– This is the lower half of the arch between the crown and skew back.