alleryஒரு ரோம்பஸில் மூலைவிட்டங்கள் 16 cm மற்றும் 30 cm உள்ளன. அதன் பரப்பளவு மற்றும் சுற்றளவு என்ன?
A240 cm²; 64 cm
B480 cm²; 68 cm
C480 cm²; 92 cm
D240 cm²; 68 cm
Answer & Solution
Correct answer: D. 240 cm²; 68 cm
பகுதி 16×30/2 = 240 cm ²;
செங்குத்து அரை மூலைவிட்டங்கள் 8 மற்றும் 15, ஒவ்வொரு பக்கமும் 17 மற்றும் சுற்றளவு 68 செ.மீ.
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