allery12 cm দৈর্ঘ্য এবং 8 cm প্রস্থবিশিষ্ট একটি আয়তক্ষেত্রের পরিসীমা নির্ণয় করুন:
A40 cm
B48 cm
C36 cm
D96 cm
Answer & Solution
Correct answer: A. 40 cm
পরিসীমা = 2 * (length + breadth) = 2 * (12 + 8) = 2 * 20 = 40 cm।
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