If the T.S.A of a cone of radius 7 cm is 440 cm? then slant height is
(a) 23 cm
(b) 13 cm
(c) 27 cm
(d) 20 cm
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Surface Area of Right Circular Cylinders and Cones. The total surface area of a... maths. The total surface area of a cone is 770cm2 If its slant height is four times the radius of the cone the diameter fo the cone is. A. 14 cm. B. 7 cm. C. 20 cm. D ... Diameter, d=2×7=14 cm ... is 4 cm. Then the area of the curved surface is.
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