SOLUTION: an open tin box, 21cm long,9cm wide,8cm high,is fitted with a tin lid which overlaps to the depth of 1cm all around. what is the total area of the tin sheeting used for the box and
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-> SOLUTION: an open tin box, 21cm long,9cm wide,8cm high,is fitted with a tin lid which overlaps to the depth of 1cm all around. what is the total area of the tin sheeting used for the box and
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Question 526495: an open tin box, 21cm long,9cm wide,8cm high,is fitted with a tin lid which overlaps to the depth of 1cm all around. what is the total area of the tin sheeting used for the box and the lid? Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! an open tin box, 21cm long,9cm wide,8cm high,is fitted with a tin lid which overlaps to the depth of 1cm all around. what is the total area of the tin sheeting used for the box and the lid?
:
The dimensions of the top. add 2 cm to length and width
:
Find the surface area of five sides of the box plus the top
S.A. = (21*9) + 2(21*8) + 2(9*8) + (23*11)
S.A. = 189 + 336 + 144 + 253
S.A. = 922 sq/cm
