reason line AD is conguent to line BD pic in comments just look at the pic i have everything else i need but the one reason to this

Question

stuck-help · Answer

attachment

stuck-help · Answer

bare with my internet is really slow today

confxsedaf · Answer

AD congruent to BD because it already given

stuck-help · Answer

where is it already given

confxsedaf · Answer

you just wrote that d is the midpoint 
so A and B are connected to d

stuck-help · Answer

that doesnt mean they are congruent is this congruent |dw:1448305594504:dw|

confxsedaf · Answer

angle aed and angle bcd are right angles measuring 90 degrees

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ok that has nothing to do with what im asking

confxsedaf · Answer

ur kinda confusing me right now... but why don't you write its given because its already right there , i learned this already in the triangles sections.

stuck-help · Answer

because i dont understand how it is given