18 results
New characterisations of bicentric quadrilaterals
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- Journal:
- The Mathematical Gazette / Volume 106 / Issue 567 / November 2022
- Published online by Cambridge University Press:
- 12 October 2022, pp. 414-426
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- November 2022
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104.20 A characterisation of midsquare quadrilaterals
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- Journal:
- The Mathematical Gazette / Volume 104 / Issue 560 / July 2020
- Published online by Cambridge University Press:
- 18 June 2020, pp. 331-335
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- July 2020
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Eight formulae for the area of triangle OIH
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- Journal:
- The Mathematical Gazette / Volume 103 / Issue 558 / November 2019
- Published online by Cambridge University Press:
- 21 October 2019, pp. 471-479
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- November 2019
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103.23 On Pitot’s theorem
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- Journal:
- The Mathematical Gazette / Volume 103 / Issue 557 / July 2019
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- 06 June 2019, pp. 333-337
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- July 2019
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103.09 On the heights of a convex quadrilateral
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- Journal:
- The Mathematical Gazette / Volume 103 / Issue 556 / March 2019
- Published online by Cambridge University Press:
- 14 February 2019, pp. 145-150
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- March 2019
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Area formulas for certain convex quadrilaterals
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- Journal:
- The Mathematical Gazette / Volume 103 / Issue 556 / March 2019
- Published online by Cambridge University Press:
- 14 February 2019, pp. 20-27
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- March 2019
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The importance of characterisations in geometry
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- Journal:
- The Mathematical Gazette / Volume 102 / Issue 554 / July 2018
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- 18 June 2018, pp. 302-307
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- July 2018
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Metric relations in crossed trapezia
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- Journal:
- The Mathematical Gazette / Volume 102 / Issue 554 / July 2018
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- 18 June 2018, pp. 264-269
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- July 2018
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101.38 Metric relations in crossed cyclic quadrilaterals
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- Journal:
- The Mathematical Gazette / Volume 101 / Issue 552 / November 2017
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- 16 October 2017, pp. 499-502
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- November 2017
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101.36 On the area of a tangential quadrilateral
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- Journal:
- The Mathematical Gazette / Volume 101 / Issue 552 / November 2017
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- 16 October 2017, pp. 495-497
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- November 2017
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Further characterisations of tangential quadrilaterals
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- Journal:
- The Mathematical Gazette / Volume 101 / Issue 552 / November 2017
- Published online by Cambridge University Press:
- 16 October 2017, pp. 401-411
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- November 2017
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Properties of bisect-diagonal quadrilaterals
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- Journal:
- The Mathematical Gazette / Volume 101 / Issue 551 / July 2017
- Published online by Cambridge University Press:
- 15 June 2017, pp. 214-226
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- July 2017
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Generalisation of a quadrilateral duality theorem
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- Journal:
- The Mathematical Gazette / Volume 101 / Issue 551 / July 2017
- Published online by Cambridge University Press:
- 15 June 2017, pp. 208-213
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- July 2017
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100.31 Heron-like formulas for quadrilaterals
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- Journal:
- The Mathematical Gazette / Volume 100 / Issue 549 / November 2016
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- 17 October 2016, pp. 505-508
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- November 2016
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100.30 Generalisations of the altitude theorem
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- Journal:
- The Mathematical Gazette / Volume 100 / Issue 549 / November 2016
- Published online by Cambridge University Press:
- 17 October 2016, pp. 501-505
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- November 2016
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Properties of Pythagorean quadrilaterals
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- Journal:
- The Mathematical Gazette / Volume 100 / Issue 548 / July 2016
- Published online by Cambridge University Press:
- 14 June 2016, pp. 213-224
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- July 2016
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On the classification of convex quadrilaterals
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- Journal:
- The Mathematical Gazette / Volume 100 / Issue 547 / March 2016
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- 14 March 2016, pp. 68-85
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- March 2016
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Minimal area of a bicentric quadrilateral
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- Journal:
- The Mathematical Gazette / Volume 99 / Issue 545 / July 2015
- Published online by Cambridge University Press:
- 10 July 2015, pp. 237-242
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- July 2015
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