Q. The sides of a triangle are 13 cm, 14 cm and 15 cm. Its area is:
✅ Correct Answer: (B)
84 cm²
Explanation: Using Heron's formula: s = 21. Area = √(21 × 8 × 7 × 6) = 84 cm².
Explanation by: Mr. Dubey
Using Heron's formula: s = 21. Area = √(21 × 8 × 7 × 6) = 84 cm².