Question

4. If the ratio of the length to the breadth of a rectangle be 5:3 and its perimeter
of the rectangle
​

Answer 1

Answer:

if length and breadth = 5:3 so perimeter

=2(l+b)

2(5 x  + 3 x)

10 x + 6 x =

16 x square

square of 16 = 4

so x = 4

now substitute the values given

5 x = 5(4) = 20

3 x = 3 (4) = 12

so length = 20 and breadth = 12

substitute the formula = 2 (l+b)

=2(20+12)

2(32)

= 64

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