The diameter of a cylindrical tin is $80$ $c m$ and height is $1.5$ $m$ . How many square metre will be its curved surface area? $(π = 3.14)$

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Solution

curved surface area $= 2 \times π \times r \times h$
$= 2 \times 3.14 \times 0.8 \times 1.5$
$= 7.536$ metre square

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The diameter of a cylindrical tin is 80 cm and height is 1.5 m. How many square metre will be its curved surface area? (π=3.14)

curved surface area=2×π×r×h=2×3.14×0.8×1.5=7.536 metre square

The diameter of a cylindrical tin is $80$ $c m$ and height is $1.5$ $m$ . How many square metre will be its curved surface area? $(π = 3.14)$

curved surface area $= 2 \times π \times r \times h$
$= 2 \times 3.14 \times 0.8 \times 1.5$
$= 7.536$ metre square