ഒരു വൃത്തത്തിന്റെ ആരം 12 സെ.മി. ആയാൽ, വിസ്തീർണമെന്ത് ?
A144πcm²
B240πcm²
C120πcm²
D24πcm²
A144πcm²
B240πcm²
C120πcm²
D24πcm²
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