Question

A cuboidal petrol tin has dimensions of 20 cm x
16 cm x 14 cm. What is the total surface area of
a sheet of tin required to make 12 such tins?​

Answer 1

Answer:

search it on Google you will get answers

Answer 2

Answer:

19776 sq m

Step-by-step explanation:

The total surface area of the tin sheet for 1 tin of size 20 cm x 16 cm x 14 cm

= 2[(20x16) + (16x14) + (14x20)]

= 2[320+224+280]

= 1648 sq cm

and 12 such tins will need 12*1648 = 19776 sq cm.

Mind you each tin can hold only 20x16x14 = 4480 cc or 4.48 litres of petrol.

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