the length and breadth of a rectangular field are in the ratio 7 by 5 if its perimeter is 48 cm find its dimension
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Answer:
Step-by-step explanation:
l:b is given 7:5
Means length :7x and breadth : 5x
Now perimeter = 48 cm
Perimeter of rectangle = 2(l+b)
48= 2(7x + 5x)
48 = 2(12x)
48= 24 x
Therefore x= 48/24
x= 2
Length = 7x = 7* 2 = 14 cm
Breadth = 5x = 5*2 = 10 cm
Check
2(14+ 10)
= 2(24)
= 48 cm
Now
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