A plot of land is in the form of rectangle has dimension of 240m*180.A drainlet 10m wide is dug around it. android the earth dug out is evenly spread out over the plot increaseing its surface level by 25cm. Find the depth of the drainlet
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Volume of drainlet(I.e the earth dugout) will be equal to the volume of resulting cuboid (earlier which was rectangular plot, but since it had gained height due to deposition of soil)
Further solution is in attachment.
Further solution is in attachment.
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