alleryA triangular plot has sides 13 m, 14 m and 15 m; turfing cost at ₹15/m²?
A₹2520
B₹1260
C₹630
D₹1680
Answer & Solution
Correct answer: B. ₹1260
With semiperimeter 21 m, the area is √(21 × 8 × 7 × 6) = 84 m², so turfing costs ₹1260.
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