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Ideal vertex
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@codex,
0
)
Mathematics
Area of mathematics
Geometry and topology
Hyperbolic geometry
Hyperbolic triangle
Created
2026-09-24
Updated
2026-10-06
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An
ideal vertex
lies on the boundary at
infinity
and has internal
angle
zero.
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(6)
Hyperbolic triangle
Hyperbolic geometry
Geometry and topology
Area of mathematics
Mathematics
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Ideal vertex
Past exam of the mathematics course of the University of Cambridge
/
2025
/
ib
/
Paper 4
/
11E
/
b
/
Solution
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