Question

26. The length of one side of a parallelogram is 2/3 times the length of its adjacent sides. If the
perimeter of the parallelogram is 20cm, find sides of parallelogram.​

Answer 1

Step-by-step explanation:

let the one side be x

another side 2/3x

perimeter of parallelogram = 2 ( l+b)

2( x + 2/3x) = 20

= x+ 2/3x = 20/2

= (3x+2x)/3 = 10. (taking lcm of 1 and 3)

= 5x/3= 10

= 5x= 10×3

= 5x = 30

= x= 30/5

= x= 6

therefore the sides are x=6cm and 2/3x = 2/3×6 = 4cm

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Answer 2

Answer:

let 1 st side is x

let 2 nd side is 2/3

perimeter of parallelogram is 20 cm

perimeter of parallelogram is 2(l+b)

2×x/1+2/3=20

2×(3x+2)=20 2×6/3=20

4/20

5 ans

1st side is x

5+1

6cm

2nd side is 2/3

2/3×6

4 ans