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Problem Corner

Published online by Cambridge University Press:  03 February 2017

N.J.L
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The Mathematical Gazette , Volume 101 , Issue 550 , March 2017 , pp. 150 - 156
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Copyright © Mathematical Association 2017 

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References

References

1. Forder, H. G., Three short proofs, Math. Gaz. 53 (May 1969) pp. 177–178.Google Scholar
2. King, J. D., Regular polygons with integer coordinates, Math. Gaz. 94 (November 2010) pp. 495–498.Google Scholar
3. Niven, I., Irrational numbers, Math. Assoc. of America (1967) pp. 36–41.Google Scholar

References

1. Gilder, J., Integer-sided triangles with an angle of 60°, Math. Gaz. 66 (December 1982) pp. 261–266.CrossRefGoogle Scholar
2. Selkirk, K., Integer-sided triangles with an angle of 120°, Math. Gaz. 67 (December 1983) pp. 251–255.CrossRefGoogle Scholar
3. Burn, B., Triangles with a 60° angle and sides of integer length, Math. Gaz. 87 (March 2003) pp. 148–153.Google Scholar
4. Read, E., On integer-sided triangles containing angles of 120° or 60°, Math. Gaz. 90 (July 2006) pp. 299–305.Google Scholar