THE WALLS AND CEILLING OF A ROOM 7 M LONG , 5M WIDE AND 3.5 M HIGH ATE COVERED WITH A PAPER 6DM WIDE . FIND THE LENTH OF PAPER REQUIRED , IF NO LENTH LESS THAN A METER CAN BE BOUGHT
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Answer:
140 cm
Step-by-step explanation:
l = 7cm , b = 5cm and h = 3.5
Area of four walls = 2(l + b)h = 84 m2
Let the length of the paper be L.
L × 6/10 = 84
L = 140 m
Length of the paper required is 140 m.
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