1 results
1120. ABCDEFG is regular heptagon in a circle of unit radius, to prove that AC + AD - AB=√7
-
- Journal:
- The Mathematical Gazette / Volume 18 / Issue 230 / October 1934
- Published online by Cambridge University Press:
- 03 November 2016, pp. 274-275
- Print publication:
- October 1934
-
- Article
- Export citation