Question

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Answer 1

Answer:

15

Step-by-step explanation:

perimeter of rectangle=2×(l+b)

100=2×(35+b)

50=35+b

50-35=b

b=15

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Answer 2

Question:

The perimeter of a rectangle sheet is 100cm . if the length is 35, find its breadth.

Answer:

Length of the rectangle sheet = 15 cm

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Solution:

$length\:of\:rectangle\:sheet\:= 35cm$

$Perimeter\:of\:rectangle\:sheet = 100cm$

So , we have to find breadth

$Perimeter\:of\:a\:triangle = 2(L + B)$

$2(l + b) = 100cm$

$2(35 + b) = 100cm$

$35 + b = \frac{100}{2}$

$35 + b = 50$

$b = 50 - 35$

$b = 15 cm$