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CBSE Class 6 Answered

floor of a room measure 4.5 metrescross times3 metres.find the minimum number of complete square marble slabs of equal size required to cover the floor.
Asked by ramrekha_dlwvns | 03 Oct, 2014, 05:04: PM
answered-by-expert Expert Answer
L e n g t h space o f space t h e space r o o m equals space 4.5 space m W i d t h space o f space t h e space r o o m equals 3 space m A r e a space o f space t h e space r o o m equals 4.5 cross times 3 equals 13.5 space m squared L e t space u s space f i n d space t h e space H C F space o f space 4.5 space a n d space 3 4.5 equals 3 cross times 1.5 3 equals 2 cross times 1.5 T h u s comma space H C F space o f space 4.5 space a n d space 3 equals 1.5 A r e a space o f space t h e space s q u a r e space t i l e space w i t h space s i d e space 1.5 space m equals 1.5 squared space m squared equals 2.25 space m squared T h u s comma space t h e space m i n i m u m space n u m b e r space o f space t i l e s space t o space c o v e r space t h e space r o o m equals fraction numerator A r e a space o f space t h e space r o o m over denominator A r e a space o f space a space t i l e end fraction equals fraction numerator 13.5 over denominator 2.25 end fraction equals 6
Answered by Vimala Ramamurthy | 04 Oct, 2014, 12:05: PM

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