plz solve this..its urgent
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Bangtanseonyondan:
sobore oo
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PQRS is a parallelogram ,it can be proved by mid point theorem
now join SQ & RP
RP ll AD
SQ ll AB
AB is perpendicular to BC
so RP &SQ intersect each other at
90 degree
so PQRS is a parallelogram whose diagonals intersect at 90 degree
hence it is rhombus
now join SQ & RP
RP ll AD
SQ ll AB
AB is perpendicular to BC
so RP &SQ intersect each other at
90 degree
so PQRS is a parallelogram whose diagonals intersect at 90 degree
hence it is rhombus
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