+0  
 
+1
113
3
avatar+891 

Please show how you got your answer so I can learn from it.

 May 22, 2020

Best Answer 

 #1
avatar+732 
+1

hi qwertyzz,

 

Since we know \(\overline{CD}\) and \(\overline{DA}\) are congruent and \(\angle {ADC} \text{ is } 60^{\circ}\), that means \(\triangle{ADC}\) is an equilateral triangle. Because it's an equilateral triangle, that means all sides of \(\triangle{ADC}\) are congruent. So, \(\overline{AC}\) is also \(\boxed{17}\).

 

 

I hope this helped you!

Let me know if you don't understand anything!

:)

 May 22, 2020
edited by lokiisnotdead  May 22, 2020
edited by lokiisnotdead  May 22, 2020
 #1
avatar+732 
+1
Best Answer

hi qwertyzz,

 

Since we know \(\overline{CD}\) and \(\overline{DA}\) are congruent and \(\angle {ADC} \text{ is } 60^{\circ}\), that means \(\triangle{ADC}\) is an equilateral triangle. Because it's an equilateral triangle, that means all sides of \(\triangle{ADC}\) are congruent. So, \(\overline{AC}\) is also \(\boxed{17}\).

 

 

I hope this helped you!

Let me know if you don't understand anything!

:)

lokiisnotdead May 22, 2020
edited by lokiisnotdead  May 22, 2020
edited by lokiisnotdead  May 22, 2020
 #2
avatar+891 
+1

Thanks! That really helped

qwertyzz  May 22, 2020
 #3
avatar+732 
0

no problem! :)

lokiisnotdead  May 22, 2020

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