Example 5. The length and breadth of a parallelogram
are in the ratio 11 : 9. If the perimeter of the parallelogram
is 50 cm, find its length and breadth.
Answers
Answer:
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The answer is given below.....
Step-by-step explanation:
Let the ratios be 11x and 9x respectively....
Perimeter of a Parallelogram = 2 (l + b)
50 = 2 × ( 11x + 9x )
50 = 2 ( 20x )
50/2 = 20x
25 = 20x
Therefore, x = 25/20 = 5/4 = 1.25
Length of the Parallelogram = 11x = 11 × 1.25 = 13.75 cm
Breadth of the Parallelogram = 9x = 9 × 1.25 = 11.25 cm
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Answer:
Perimeter of parellogram = 2(a+b)
50 cm =2(11x+9x)
50 cm. =2*20x
50 /2cm. =20x
25cm =20 x
5/4. =x
1.25. =x
Length =11x =11*1.25=13.75
Breadth =9x=9*1.25=11.25
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