Question
谞转讜谉 诪爪讜诇注 诪砖讜讻诇诇. 注诇 讻诇 爪诇注 讘讜谞讬诐 诪砖讜诇砖 讬砖专 讝讜讜讬转 讜砖讜讜讛-砖讜拽讬讬诐, 讻讱 砖讛爪诇注 讛讬讗 讛讬转专 砖诇 讛诪砖讜诇砖, 讜拽讜讚拽讜讚 讛专讗砖 讘驻谞讬诐 讛诪爪讜诇注. 诪讞讘专讬诐 讗转 拽讜讚拽讜讚讬 讛专讗砖 砖诇 讻诇 讛诪砖讜诇砖讬诐 讜诪拽讘诇讬诐 诪爪讜诇注 (诪砖讜讻诇诇, 讘注诇 讗讜转讜 诪住驻专 爪诇注讜转). 讻诪讛 爪诇注讜转 讬砖 诇诪爪讜诇注 讛诪拽讜专讬, 讗诐 砖讟讞讜 砖诇 讛诪爪讜诇注 砖讛转拽讘诇 讛讜讗 讞爪讬 诪砖讟讞 讛诪爪讜诇注 讛诪拽讜专讬?
Difficulty level (1 very easy - 10 very hard): 3
Topics:
Geometry
->
Area Calculation
Geometry
->
Plane Geometry
->
Angle Calculation
Geometry
->
Solid Geometry / Geometry in Space
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Polyhedra
->
Regular Polyhedra
- Israeli IMO Selection, 2011, Stage A Question 7
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