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This poster presents the properties of the triangle in a colourful and thought- provoking way. It shows triangle geometry and acute, right and obtuse angled triangles and how the bisectors and perpendiculars meet at four special centres whatever the shape of the triangle. How these centers relate to the Euler line, the circumcircle, the incircle, the excircles and the nine-point circle is also shown as well as triangles where the sides and angles have special relationships. 24 x 36 inches (840 x 600 mm) From Tarquin Publications / Parkwest |
