9 m long, 2 m width and 50 cm hight wale (bigar dakkan wale) ek box ka surface area Kya hoga??
answer is 29m sqr
but how???
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heya!
here's ur answer frnd..
given:-
length of the box=9m
breadth of the box=2m
height of the box=50cm=0.5m
TSA of the cuboidal box=2(lb+bh+lh)
=2{(9×2)+(2×0.5)+(9×0.5)}
=2(18+1+4.5)
=2×23.5
=47m²
answer is 47m² not 29m².
hope this helps...!
here's ur answer frnd..
given:-
length of the box=9m
breadth of the box=2m
height of the box=50cm=0.5m
TSA of the cuboidal box=2(lb+bh+lh)
=2{(9×2)+(2×0.5)+(9×0.5)}
=2(18+1+4.5)
=2×23.5
=47m²
answer is 47m² not 29m².
hope this helps...!
vbijwe9:
thank you yr
but final answer 29 hi hai
per nhi aa sakta
sometimes it can be wrong also in the book
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