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77 sq-cm tripal is required to make a right circular conical tent. If the slant height of the tent is 7m, then calculate the base area of the tent. |
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Answer» The slant height of the tent is 7 metres. Let the radius of the base of the tent be r metres. `therefore` the curved surface area of the tent `=(22)/(7)xx r xx 7 sq-m =22r sq-cm`. As per question , `22r =77rArr r=(77)/(22)=(7)/(2)`. `therefore` The area of the base of the tent `=(22)/(7)xx((7)/(2))^2sq-m=(22)/(7)xx(7)/(2)xx(7)/(2)sq-m` `=(77)/(2)sq-m=38.5 sq-cm`. `therefore` the required base area of the tent `=38.5sq-m`. |
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