Talk:Area of Sector
This seems to be assuming that the area of the sector is proportional to the length of the arc which is the measure of the angle. This looks quite plausible from the picture, but I do not see any proof here.
The way to prove this is to calculate both by doing different integrals and showing the results are in proportion. (They are both proportional the $\arcsin\theta$ ). --Pelliott (talk) 18:26, 13 January 2019 (EST)
I propose replacing this whole page
New version reads as follows (What do you think):
- Fine, go for it. It will need to be tidied, and the diagram rebuilt for website conformity (colours, font sizes, etc.) but that will be done in due course. --prime mover (talk) 02:23, 4 February 2019 (EST)
- Probably easier to re-do it in GeoGebra. It'd only take about 10 minutes. --prime mover (talk) 16:22, 4 February 2019 (EST)