Answer:
Two major rivers in Africa have specific SHAPES of their ‘mouth’: 'funnel' & ‘triangle’ and their Geographic Names are discussed below in details.
Step-by-step explanation:
Africa, it is the second-largest landmass and it is also the place of two most well-known rivers, the Nile also recognized as the longest river in the world and the Congo river originates on the boundary of Congo and Zambia, Waves almost to the central African republic and then below the boundary of Congo and exposed to the Atlantic ocean.
The Geographic Names for these are the Blue Nile and Zaire River.