സാമാന്തരികം ABCD ൽ AB,AD എന്നീ വശങ്ങളിലേക്കുള്ള ലംബങ്ങൾ യഥാക്രമം 5cm , 20cm ഉം ആണ്. സാമാന്തരികത്തിന്ടെ വിസ്തീർണ്ണം 160cm² ആയാൽ അതിന്ടെ ചുറ്റളവ് എത്ര ?
A100cm
B90cm
C80cm
D120cm
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