7. A tent consists of a frustum of a cone, surmounted by a cone. If thediameters of the upper and lower circular ends of the frustum be 14 mand 26 m respectively, the height of the frustum be 8 m and the slantheight of the surmounted conical portion be 12 m, find the area of thecanvas required to make the tent. (Assume that the radii of the uppercircular end of the frustum and the base of the surmounted conicalCBSE 2008portion are equal.)

7. A tent consists of a frustum of a cone, surmounted by a cone. If th

1.	7. A tent consists of a frustum of a cone, surmounted by a cone. If thediameters of the upper and lower circular ends of the frustum be 14 mand 26 m respectively, the height of the frustum be 8 m and the slantheight of the surmounted conical portion be 12 m, find the area of thecanvas required to make the tent. (Assume that the radii of the uppercircular end of the frustum and the base of the surmounted conicalCBSE 2008portion are equal.)
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