Question

The dimensions of an oil tin are 26cm x 26cm x 45cm. Find the area of the tin sheet require for making 20 such tins.
If 1sq m of the tin aheet costs rupees 10, find the cost of tin used for these 20 tin.

Answer 1

dimensions of oil tin given,

=> 1st = 26 cm

=> 2nd = 26 cm

=> 3rd = 45 cm

So oil tin has somewhat a shape similar to cuboid . So to find total area surface we have to implement the following formula :

2 x ( length x breadth + breadth x height+

length x height )

=> 2 ( 26 x 26 + 26 x 45 + 45 x 26 )

=> 2 ( 676 + 1170 + 1170 )

=> 2 ( 1846 + 1170 )

=> 2 ( 3016 )

=> 6032 ( area of tin sheets )

So area of tin sheets required to make 20 similar tin sheets

=> 6032 x 20

=> 120640 cm

Cost of 1m^2 tin sheets = Rs 10

So cost 20 sheets used for making = 20 x 10

=> 200 cm

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Answer 2

Hello here is your answer

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