Mensuration · Question 30 · Hard
The sides of a triangular plot are 13 m, 14 m and 15 m. What is its area?
- 42 m²
- 91 m²
- 84 m²
- 105 m²
Answer and explanation
Answer: C. 84 m²
Explanation: By Heron's formula, s = 21 and area = √(21 × 8 × 7 × 6) = √7,056 = 84 m².
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