+0  
 
-1
410
2
avatar+514 

srry that i've been inactive

 Jul 12, 2021
 #1
avatar+1694 
+1

Hint:::     Triangle ABC is an equilateral triangle! smiley

 Jul 12, 2021
 #2
avatar+514 
+1

yeah thx, i got it, its 120

mworkhard222  Jul 12, 2021

4 Online Users

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