Question

Half of perimeter of rectangle is 13 by 2 and its length is 3^3 by 4 find the breath

Answer 1

perimeter of a  rectangle = 2(lenght + breadth)
half perimeter = lenght + breadth
so, 27 by 4 + breadth = 13 by 2
      breadth = 13/2-27/4
      breadth = 26-27/4
      breadth = -1/4
      breadth = |1/4| units

Answer 2

↑ Here is your answer ↓
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Perimeter of a rectangle,

$= 2(l+b)$

So, half perimeter

$=l+b$

Given that,

$l+b = 13/2$

$l+b = 6.5$

$3^3/4 + b = 6.5$

$27/4 + b = 6.5$

$6.75 + b = 6.5$

Therefore,

$b = 6.5 - 6.75$

$b = -0.25$