21. 99.19 When do the inradius and exradii form progressions?. Issue 545 (10th July 2015) Authors: Lord, Nick Journal: Mathematical gazette Issue: Volume 99:Issue 545(2015) Page Start: 337 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
22. 99.34 A special parallelogram. Issue 546 (2nd November 2015) Authors: Lord, Nick Journal: Mathematical gazette Issue: Volume 99:Issue 546(2015) Page Start: 530 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
23. A fallacy involving similar quadrilaterals. Issue 543 (November 2014) Authors: Lord, Nick Journal: Mathematical gazette Issue: Volume 98:Issue 543(2014) Page Start: 525 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
24. A non-calculator challenge: show that In 2. Issue 542 (July 2014) Authors: Lord, Nick Journal: Mathematical gazette Issue: Volume 98:Issue 542(2014) Page Start: 346 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
25. A quick simultaneous evaluation of ∑ k3 and ∑ k2. Issue 565 (March 2022) Authors: Lord, Nick Journal: Mathematical gazette Issue: Volume 106:Issue 565(2022) Page Start: 149 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
26. A rich calculus problem about a frustum. Issue 545 (10th July 2015) Authors: Lord, Nick Journal: Mathematical gazette Issue: Volume 99:Issue 545(2015) Page Start: 359 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
27. A rich problem on digital roots. Issue 546 (2nd November 2015) Authors: Lord, Nick Journal: Mathematical gazette Issue: Volume 99:Issue 546(2015) Page Start: 543 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
28. A small note on small angle approximations. Issue 562 (March 2021) Authors: Lord, Nick Journal: Mathematical gazette Issue: Volume 105:Issue 562(2021) Page Start: 159 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
29. An area conundrum. Issue 551 (15th June 2017) Authors: Lord, Nick Journal: Mathematical gazette Issue: Volume 101:Issue 551(2017) Page Start: 325 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
30. An unexpected appearance of e in a family of minimisation problems. Issue 561 (November 2020) Authors: Lord, Nick Journal: Mathematical gazette Issue: Volume 104:Issue 561(2020) Page Start: 553 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗