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The minimum depth of foundation based on Rankine's formula is

A(2P(1+sinø))/(W(1-sinø))

B(P(1+sinø)² )/(W(1-sinø)² )

C(W(1+sinø)² )/(P(1+sino)² )

D(P(1+sinø)/(W(1-sinø))

Answer:

B. (P(1+sinø)² )/(W(1-sinø)² )


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