+0  
 
+1
27
1
avatar

Let A_1 A_2 A_3 ... A_{10} be a regular polygon. A rotation centered at A_1 with an angle of a takes A_5 to A_7. Given that a <180 degrees, find a in degrees.

 Jul 18, 2021
 #1
avatar+63 
0

already answered

 

https://web2.0calc.com/questions/geometry_22332

 Jul 18, 2021

9 Online Users

avatar
avatar