alleryএকটি ত্রিভুজাকার প্লটের বাহু রয়েছে 13 m, 14 m এবং 15 m; টার্ফিং খরচ ₹15/m²?
A₹2520
B₹1260
C₹630
D₹1680
Answer & Solution
Correct answer: B. ₹1260
সেমিপিরিমিটার 21 মিটার সহ, ক্ষেত্রফল হল √(21 × 8 × 7 × 6) = 84 m², তাই টার্ফিংয়ের জন্য ₹1260 খরচ হয়।
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