+0  
 
+3
105
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avatar+308 

Value of x, find it...

 Mar 23, 2021
 #1
avatar+121004 
+2

AB = AC   ....so....

 

Angle  ABC = Angle ACB  =  (180 - 24)  / 2  =   78°

 

And angle ACD  is supplemental  to ACB =  180  - 78  =  102°

 

And since  AC = CD....then  angles  ADC  and  CAD  are equal

 

So  angle ADC  = (180  - 102)  / 2  =  78 / 2  = 39°  =   x

 

CORRECTED...

 

 

cool cool cool

 Mar 23, 2021
edited by CPhill  Mar 23, 2021
edited by CPhill  Mar 23, 2021

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