Question

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Answer 1

since nsq and mtr are congruent ...so, angle sqn=angle trm.....or say that pq =pr..eq..(1)..also given that angle1=angle2 so..
ps=pt...eq..(2)....
from 1 and two we get ...sq=tr.......
nor for makin the pts and prq similar we have..
angle p as commin ...
and ....ps /pq=pt/prhence proved