Otis Senior Member Joined Apr 22, 2015 Messages 1,154 Mar 3, 2019 #2 Hello. What have you tried or thought about, so far? You could experiment, by letting n=3, to find side lengths of P and Q. Please read the forum's submission guidelines. Cheers!

Hello. What have you tried or thought about, so far? You could experiment, by letting n=3, to find side lengths of P and Q. Please read the forum's submission guidelines. Cheers!

Dr.Peterson Elite Member Joined Nov 12, 2017 Messages 3,004 Mar 3, 2019 #3 I would sketch the isosceles triangle formed by one side of P and two radii; then how two sides of Q would relate to that. Then either some trigonometry, or some work with right triangles, should get you started.

I would sketch the isosceles triangle formed by one side of P and two radii; then how two sides of Q would relate to that. Then either some trigonometry, or some work with right triangles, should get you started.