Q: in 1994 robinson (now aged 83!) published two figures in the hyperbolic plane which presents some properties of tilings of the hyperbolic plane by equilateral triangles having angles of size 2/n, where n = 7 or n = 9.

A: In 1994 Robinson (now aged 83!) published Two figures in the hyperbolic plane which presents some properties of tilings of the hyperbolic plane by equilateral triangles having angles of size 2/n, where n = 7 or n = 9.
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Q: therefore it is not for the king's profit to allow them to remain.

A: Therefore it is not for the king's profit to allow them to remain.
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Q: lerashpat , 41 years old, phoenix, united states

A:
Lerashpat , 41 years old, Phoenix, United States
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