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Triangles $BDC$ and $ACD$ are coplanar and isosceles. If we have $m\angle ABC = 70^\circ$, what is $m\angle BAC$, in degrees?

 

 Oct 4, 2018
 #1
avatar+464 
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never mind I got the answer

 Oct 4, 2018
 #2
avatar+4104 
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Hint: Use the lines, that lie on each side of the triangle! They mean that the angles are congruent!

 Oct 4, 2018
 #3
avatar+10254 
+2

Triangles $BDC$ and $ACD$ are coplanar and isosceles. If we have $m\angle ABC = 70^\circ$, what is $m\angle BAC$, in degrees?

laugh

 Oct 5, 2018

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