ഒരു സമചതുരത്തിന്റെ വിസ്തീർണ്ണം 100 cm2 സമചതുരത്തിന്റെ വശങ്ങളുടെ നീളം ഇരട്ടി ആയി വർദ്ധിപ്പിച്ചാൽ വിസ്തീർണ്ണം എത്ര ?
A400 cm2
B200 cm2
C300 cm2
D150 cm2
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