+0  
 
0
42
1
avatar

Circle O has tangent AB and secant AC as shown. arc BC measures 4x+2-. arc BE measures 2x-10. What is the measure of arc CB

 

 Apr 26, 2020
 #1
avatar+21017 
+1

Angle(A)  =  ½( arc(BC) - arc(BE) )

      50      =  ½( (4x + 20) - (2x - 10) )

      50      =  ½( 4x + 20 - 2x + 10 )

      50      =  ½( 2x + 30 )

      50      =  x + 15

            x  =  35

 

Can you finish this problem? ...

 Apr 26, 2020

22 Online Users

avatar
avatar
avatar