Question

The length of a rectangular sign is 3 times its width. If the sign’s perimeter is 16 inches, what is the sign’s area?

Answer 1

Answer:

12 sq.units

Step-by-step explanation:

let the width of the rectangle be x

and length 3x

so perimeter is,

x+3x+x+3x = 8x

8x=16

so, x=2

area of rectangle is =length*width

     =3x*x substituting x=2

  6*2=12

so area=12sq.units

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Answer 2

Answer:

I think the ans would be like this l=3b given so 2(l plus b)= 16 and v know l= 3b put the value so 2(3b plus b)= 16 so ans 2 we get b = 2 area and l=3b so l=3×2=6so l into b so 6×2=12