A ROOM IS IN FORM OF A RECTANGULAR REGION of length 15 and breadth 12 metre how many marble slabs of demension 75cm by 60 CM are needed to cover it.
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EXPLANATION
Length of the room = 15 m
Breadth of a room = 12 m
Area of rectangular room =
( Length × Breadth)
= ( 15 × 12 ) m = 180
180 × 100 = 18000 (change in cm)
Dimensions of marble slabs =
75 cm by 60 cm
So, number of marble slabs needed to cover
room = Area of room ÷ Area of marble slabs
= 18000 ÷ 75 × 60
= 14400
So, 1400 marble slabs needed to cover room.
( Hope it will help u )
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