sebastianmestre
10 hours ago
Is there a more direct or elegant solution than reducing it to a quadratic equation?
By the way r=6 is also a solution, if we treat the diagram a bit more abstractly.
10 hours ago
Is there a more direct or elegant solution than reducing it to a quadratic equation?
By the way r=6 is also a solution, if we treat the diagram a bit more abstractly.
11 hours ago
It was revealing to me how long it took me to work it out.
10 hours ago