How do I draw this triangle? Side AC is continued to point D; m(BDC) = m(ABC)....

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Zulgok

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Hello, I have this exercise : In triangle ABC AC side is continued and has a point D on the end of it, so that /_BDC = /_ABC. Find AC lenght, if AB = 13, BC = 8, BD = 10.

The only problem I have here is that I have no idea how this triangle should look like. I would be very grateful if someone could tell me how to draw it. :confused:
 
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Zulgok said:
Hello, I have this exercise : In triangle ABC AC side is continued and has a point D on the end of it, so that /_BDC = /_ABC. Find AC lenght, if AB = 13, BC = 8, BD = 10.

The only problem I have here is that I have no idea how this triangle should look like. I would be very grateful if someone could tell me how to draw it. :confused:
Click to expand...

Draw a line segment with endpoints A & D. Label a point on the segment between A & D called C.
Put a point B off the line ACD. Now finish the triangle,
 
So point B should just be in any spot, and it shouldnt make a right, isosceles or equilateral ABCD triangle ?
 
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Join B to D so that you have two triangles ABC and BDC with a common side. They don't have to be to scale. Label your side lengths and mark the given congruent angles.
 
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