A right circular cylinder just encloses a sphere of radius r (see below figure). Find the
(i) Surface area of the sphere.
(ii) Curved surface area of the cylinder.
(iii) Ratio of surface areas obtained in (i) and (ii).

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Pawan Prajapati · Answer

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A right circular cylinder just encloses a sphere of radius r (see below figure). Find the (i) Surface area of the sphere. (ii) Curved surface area of the cylinder. (iii) Ratio of surface areas obtained in (i) and (ii).

A right circular cylinder just encloses a sphere of radius r (see below figure). Find the
(i) Surface area of the sphere.
(ii) Curved surface area of the cylinder.
(iii) Ratio of surface areas obtained in (i) and (ii).

1 Answers

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A right circular cylinder just encloses a sphere of radius r (see below figure). Find the (i) Surface area of the sphere. (ii) Curved surface area of the cylinder. (iii) Ratio of surface areas obtained in (i) and (ii).

A right circular cylinder just encloses a sphere of radius r (see below figure). Find the (i) Surface area of the sphere. (ii) Curved surface area of the cylinder. (iii) Ratio of surface areas obtained in (i) and (ii).

1 Answers

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A right circular cylinder just encloses a sphere of radius r (see below figure). Find the
(i) Surface area of the sphere.
(ii) Curved surface area of the cylinder.
(iii) Ratio of surface areas obtained in (i) and (ii).