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the total surface area of book on which cover has to be covered is 2lb+2bh+hl
= 2×25×18+2×18×4+4×25
= 900+144+100
= 1144cm^2
one book area is 1144cm^2
100 books area = 114400cm^2 i.e 11.44m^2
hope it helped you
please mark it as the brainliest answer
= 2×25×18+2×18×4+4×25
= 900+144+100
= 1144cm^2
one book area is 1144cm^2
100 books area = 114400cm^2 i.e 11.44m^2
hope it helped you
please mark it as the brainliest answer
neha5844:
31.1 is answer
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