Question

the length and breadth of a rectangular plot are in the ratio 9 ratio 5 if its perimeter is 28 find its area​

Answer 1

Step-by-step explanation:

2(9x+5x)=28

14x=28/2=14

x=1

=> 9x(length)=9

5x(breadth)=5

Area=l×b

=9×5

=45 square units

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Answer 2

Answer:

Let the number be x

L = 9x

B = 5x

P = 28

P = 2(l+b)

28 = 2 (9x +5x)

28 = 2 (14x)

28 ÷2 = 14x

14 = 14x

x = 14 ÷ 14

x = 1

9x = 9 × 1 = 9

5x = 5 × 1 = 5

Area = L × B

Area = 9 × 5

Area = 45 sq. unit

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