A regular pentagon and a circle through two of its vertices and its centre. What’s the angle α?
Scroll down for a solution to this problem.
Solution
The angle α is 36°.
Categories
Getting stuck
A regular pentagon and a circle through two of its vertices and its centre. What’s the angle α?
Scroll down for a solution to this problem.
The angle α is 36°.
A regular pentagon and a circle through two of its vertices and its centre. What’s the angle α? https://t.co/xr3gXgVBJZ Inspired by @gs_bangalore pic.twitter.com/hJn5lzZsPk
— Mirangu (@Mirangu1) February 1, 2023
One reply on “Getting stuck”
Looking at the angles of pentagon and pentagram gives the solution directly.
There is a second solution (point G in the second figure above).