আয়তক্ষেত্রের বাহুগুলােকে 20% বর্ধিত করলে এর ক্ষেত্রফল কত শতাংশ বৃদ্ধি পাবে?
A. 42%
B. 46%
C. 44%
D. 40%
সঠিক উত্তরঃ
C.
44%
Explanation:
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