Respuesta :

Number 9 is congruent. I’m not sure about 8 and 10 but 10 looks like it would be supplementary and 8 congruent and 11 congruent. I’m not 100% on 8,10,11 but for 9 it is congruent.
8,9,11 are congruent while 10 is supplementary( two angle =180)
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