3 years ago

the ratio between length and breadth of a rectangle is 7 : 5 find its length and breadth if it its perimeter is 60 m

Mathematics

1 answer:

Furkat [3]3 years ago

6 0

Answer:

length= 17.5 m , breadth = 12.5 m

Step-by-step explanation:

The ratio of length : breadth = 7 : 5 = 7x : 5x ( x is a multiplier )

Then

2l + 2b = perimeter ( l is length, b is breadth )

2(7x) + 2(5x) = 60

14x + 10x = 60

24x = 60 ( divide both sides by 24 )

x = 2.5

Then

length = 7x = 7 × 2.5 = 17.5 m

breadth = 5x = 5 × 2.5 = 12.5 m

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the ratio between length and breadth of a rectangle is 7 : 5 find its length and breadth if it its perimeter is 60 m ​

the ratio between length and breadth of a rectangle is 7 : 5 find its length and breadth if it its perimeter is 60 m