Respuesta :

answer: 13

explanation:

If you look at the equation, side lengths AD and CD are equal to each other. So, whichever value AD is, CD will be the same. In this situation, AD has a value of 13, so so does CD.


i hope this helps, and have a great day! don't hesitate to ask if you need more help with this specific question! ♥ - eviezoom


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