Respuesta :

joonnischaya

never saw an indian guy asking for help in so simple question

Step-by-step explanation:

ans of 3rd   given statement is true, conclusion, mb=nb

ans of 4th    given statement is true, conclusion alt int angles of paralel lines are equal
AB＝BA
∠ABM＝∠ABN
MB＝NB
△AMB≌△ANB (SAS)

∠CBM＝∠ADM
∠BCM＝∠DAM
∠BMC＝∠DMA
△BCM∽△DAM (AAA)

Hope my answer helped u :)