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Mensuration formula sheet 4/7

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Area of base of a cone = pie x r^2



Curved surface area of a cone = pie x r x L


Where r = radius of base , l = slanting height of cone



Total surface area of a cone = (pie x r x L) + pie x r^2


Volume of right circular cone = 1/3 x pie x r^2 x h


Where r = radius of base of cone , h= height of the cone (perpendicular to base)



Surface area of triangular prism = (P × height) + (2 × area of triangle)


Where p = perimeter of base



Surface area of polygonal prism = (Perimeter of base × height ) + (Area of polygonal base × 2)



Lateral surface area of prism = Perimeter of base × height



Volume of Triangular prism = Area of the triangular base × height

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