alleryA 12 m by 8 m বাগানের একটি 2 m গেট আছে; কত বেড়া প্রয়োজন?
A40 m
B42 m
C38 m
D36 m
Answer & Solution
Correct answer: C. 38 m
প্রয়োজনীয় বেড়া হল 2 × (12 + 8) − 2 = 38 মি.
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