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A railway tunnel 12m long is designed to have a cross section that consists of a rectangle surmounted by a semicircle as given in the figure.If the height of the side of the tunnel is 2m and the length of the rectangular portion is 7m .Find the volume of the tunnel.A railway tunnel 12m long is designed to have a cross section that consists of a rectangle surmounted by a semicircle as given in the figure.If the height of the side of the tunnel is 2m and the length of the rectangular portion is 7m .Find the volume of the tunnel.PLEASE HELP ME |
Answer» too MUCH LONG QUESTION |
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