alleryএকটি সমকোণী ত্রিভুজের সমকোণসংলগ্ন বাহু দুটি 9 cm এবং 12 cm। এর পরিসীমা কত?
A36 cm
B21 cm
C30 cm
D54 cm
Answer & Solution
Correct answer: A. 36 cm
অতিভুজ হলো 81 + 144 এর বর্গমূল, যা হলো 15, সুতরাং পরিসীমা হলো 9 + 12 + 15 = 36 cm।
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