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The total surface area of a frustum-shap...

The total surface area of a frustum-shaped glass nuber is `(r_(1)gtr_(2))`

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The total surface area of frustum shaped glass tumbler is (r_1 gt r_2) (a) pi r_1 l + pi r_2 l (b) pi l (r_1 + r_2) + pi (r_2)^2 (c) 1/3 pi h ( (r_1)^2 + (r_2)^2 + r_1r_2 ) (d) sqrt (h^2 + (r_1 - r_2)^2)

The total surface area of frustum shaped glass tumbler is (r_1 gt r_2) (a) pi r_1 l + pi r_2 l (b) pi l (r_1 + r_2) + pi (r_2)^2 (c) 1/3 pi h ( (r_1)^2 + (r_2)^2 + r_1r_2 ) (d) sqrt (h^2 + (r_1 - r_2)^2)

The total surface area of frustum shaped glass tumbler is (r_1 gt r_2) (a) pi r_1 l + pi r_2 l (b) pi l (r_1 + r_2) + pi (r_2)^2 (c) 1/3 pi h ( (r_1)^2 + (r_2)^2 + r_1r_2 ) (d) sqrt (h^2 + (r_1 - r_2)^2)

The total surface area of the given frustum of cone is

The total surface area of a solid hemisphere of radius r is

The curved surface area of frustum of a cone is pi//(r_(1) +r_(2)) , where l = sqrt(h^(2) +(r_(1) + r_(2))^(2)),r_(1) and r_(2) are the radii of two ends of the frustum and h s the vertical height.

The curved surface area of frustum of a cone is pi//(r_(1) +r_(2)) , where l = sqrt(h^(2) +(r_(1) + r_(2))^(2)),r_(1) and r_(2) are the radii of two ends of the frustum and h s the vertical height.

Total surface area of a hemisphere of radius r is :

Total surface area of hemisphere of radius r is ……………