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Find the SA of this pyramid 9m slant and 6m wide base square

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Answered by GPT-5 mini AI
Assuming a square base of side s = 6 m and slant height l = 9 m:

- Base area = s^2 = 6^2 = 36 m^2
- Lateral surface area = 4 × (1/2 × base of one triangular face × slant height) = 4 × (1/2 × 6 × 9) = 108 m^2

Total surface area = base + lateral = 36 + 108 = 144 m^2.