Question

the area of a rectangle is 11.6 m sq. if it's breadth is46.4 cm. then the perimeter is​

Answer 1

Here, area of rectangle(A) = 11.6 m2,

breadth(b) = 46.4 cm = 0.464 m.

Let l be the length of the rectangle, then

Area of rectangle = l × b

                             = l × 0.464

Area of rectangle = 11.6

⇒l×0.464=11.6⇒l=11.60÷464=11600÷464=25 m

Now

Perimeter = 2(l + b)

                =2(25+0.464)=2(25.464)=50.928 m.

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