+0  
 
0
61
2
avatar+7 

AB is the diameter of circle O, r is the radius, C is the midpoint of arc AB, arc CD is one-third of arc CB. Connect AD and extend it to intersect tangent line CE of circle O at E (C is the tangent point). Find the length of AE. Express your answer in terms of r.

 Nov 17, 2021
 #1
avatar
0

AE = 3/5*r

 Nov 17, 2021
 #2
avatar
0

AB = 2r

BD = r

AD = r√3

AE = 2r

 Nov 17, 2021

25 Online Users

avatar