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Continuing the tent problem (base 6 m, height 4 m, slant height 5 m), the area of canvas needed for the four triangular faces is:
Answer & Solution
Correct answer: D.
1. Each triangular face has area (1/2)(6)(5) = 15 m².
2. There are four such faces in a square pyramid tent.
3. Total canvas area = 4 × 15 = 60 m².
4. The base is open ground in a tent, so it does not consume canvas.
5. So 60 m² of canvas is required.
_Source: SCERT Kerala Std X Mathematics Part-2, Chapter 7-8 (pp 180-199, 2019 ed.)._
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