10. The length of rectangle is three timesit's width and it's perimete

1.	10. The length of rectangle is three timesit's width and it's perimeter 56m. Find itslength.
Answer» Answer: let , width = x length = 3x Given , it's PERIMETER = 56CM => 2(l+b) = 56 cm => 2(4x) = 56 cm => 8X = 56cm => x = 56/8 => x = 7cm therefore , it's length = 3(x) = 21cm

10. The length of rectangle is three timesit's width and it's perimeter 56m. Find itslength.

Answer»

Answer:

let , width = x

length = 3x

Given , it's PERIMETER = 56CM

=> 2(l+b) = 56 cm

=> 2(4x) = 56 cm

=> 8X = 56cm

=> x = 56/8

=> x = 7cm

therefore , it's length = 3(x) = 21cm

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10. The length of rectangle is three timesit's width and it's perimeter 56m. Find itslength.​

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10. The length of rectangle is three timesit's width and it's perimeter 56m. Find itslength.