International Journal of Geometry
"The laws of nature are but the mathematical thoughts of God." - Euclid
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\ Vol. 8 (2019), No. 2, October
Vol. 8 (2019), No. 2, October
DARIO PELLEGRINETTI – The six – point circle for the quadrangle
MARTIN JOSEFSSON – More characterizations of cyclic quadrilaterals
ÖZCAN GELIŞGEN and SERHAT YAVUZ – A note about isometry groups of chamfered dodecahedron and chamfered icosahedron spaces
TRAN QUANG HUNG – A direct trigonometric proof of Morley’s theorem
DAO THANH OAI and CHERNG-TIAO PERNG – On the eight circles theorem and its dual
PARIS PAMFILOS – Refactoring equiaffinities
AHMED MOHSIN MAHDI – Quadratic conics in hyperbolic geometry
JOHN DONNELLY – The non-redundancy of Side-Angle-Side as an axiom of the non-continuous non-Euclidean plane
NGUYEN NGOC GIANG and LE VIET AN – Some Archimedean incircles in an arbelos