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if a 36 cm thread is used to wrap a book , lengthwise twice and breadthwise once, what is the size of the book?

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there are total length is:
2x+4y=36
there are three option satisfy the equation......(2,8),(4,7)(6,6)
but the book is in square then (6,6) is the answer
9 years agoHelpfull: Yes(0) No(1)

ans : 288 sq.cm

length of the thread is 36 cms.
length wise twice breath wise once then totally thrice, so 36/3=12
so length is 12*2 = 24 cms
breath is 12 cms
area of the book =length* breath=24*12=288 sq.cm
4 years agoHelpfull: Yes(0) No(0)

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