Question

Find the surface area of the square pyramid below.

Answer 1

The answer is actually 728m^2

Answer 2

`\displaystyle 762,96\:m.^2 ≈ S.A.`

Explanation:

`\displaystyle a^2 + 2a\sqrt{(a^2)/(4) + h^2} = S.A. \\ \\ 14^2 + 2[14]\sqrt{(14^2)/(4) + 19^2} = S.A. \\ \\ 196 + 28\sqrt{(196)/(4) + 361} ≈ 762,9567885 ≈ 762,96`

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