Daw’r cwestiynau canlynol o hen bapurau arholiad TGAU (Haen Uwch).The questions in this resource come from past GCSE exam papers (Higher Tier).
Ewch ati a darganfod yr ateb i’r cwestiynnau.Find the answer to each the questions


















| Enw solid tri dimensiwn Name of the 3-D solid | Nifer yr wynebau trionglog Number of triangular faces | Nifer yr wynebau sgwâr neu betryal Number of square or rectangular faces | Nifer yr wynebau hecsagonol Number of hexagonal faces | 
|---|---|---|---|
| Pyramid sylfaen sgwâr Square based pyramid | |||
| Tetrahedron Tetrahedron | |||
| Prism hecsagonol Hexagonal prism | 
























 
					 
				


