ஒரு செங்கோண முக்கோணத்தின் செங்கோணப் பக்கங்கள் 9 cm மற்றும் 12 cm ஆகும். அதன் சுற்றளவு என்ன?
A36 cm
B21 cm
C30 cm
D54 cm
Answer & Solution
Correct answer: A. 36 cm
கர்ணம் என்பது 81 + 144-ன் வர்க்கமூலமாகும், அதாவது 15, எனவே சுற்றளவு 9 + 12 + 15 = 36 cm ஆகும்.
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