Suppose BD=CA and AB=CD. Can you use the SSS Postulate or the SAS Postulate to prove ABD =DCA?

Question

eviant · Answer

neither apply

both apply

by SAS only

by SSS only

eviant · Answer

https://dlap.gradpoint.com/Resz/~yUA6AAAAAAQnKEIlT-uo9B.hSb6Pryzy2WG7Q2fY9fYHC/7234256,F26/Assets/questions/test/geometry/geosss/geoa2218q.bmp

Vocaloid · Answer

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Vocaloid · Answer

hm

eviant · Answer

SSS?

eviant · Answer

@Vocaloid you there?

Vocaloid · Answer

yeah I'm still here just thinking about the sol'n

Vocaloid · Answer

but yeah, since the two vertical angles in the middle and their sides are equal, I'd say BA and CD are also equal, giving three equal sides for the triangle, so yes, SSS

Vocaloid · Answer

I'm just deciding if SAS might be applicable if we find this angle

Vocaloid · Answer

|dw:1523711427026:dw|

Vocaloid · Answer

I'm really not 100% sure whether it's just SSS or both :S

eviant · Answer

I'm going for both