# Maths

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A 40m deep well with radius 3.5m is dug and the earth taken out is evenly spread to form a platform of dimensions 28m by 22m.find the hight of the platform.

• Maths -

πr^2h = w*l*h

π(3.5)^2*40 = 28 * 22 * h

Solve for h.

• Maths -

h:4.995m

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