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The sides (in meters) of a box joining at origin are represented by vectors a= 4i, b= 2i + 3j and c= i+k. The surface area of the box is a) 20 m2 b) 26 m2 c) 36 m2 d) 40 m 2

sumit kumar , 11 Years ago
Grade Upto college level
anser 2 Answers
Saurabh Koranglekar

Last Activity: 5 Years ago

Dear student

Please find the link below

https://www.askiitians.com/forums/General-Physics/the-sides-in-meters-of-a-box-joining-at-origin-a_143982.htm

Regards

Vikas TU

Last Activity: 5 Years ago

 
Surface area for cuboid is:
2*(l.b + b.h + h.l)
=> here . is dot product.
therfore,
=> 2*(8 + 2 + 4)
=>2*(14)
=> 28 m^2

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