Question

Please do solve it step by step​

Answer 1

let length be X

the width will become (2/3) X

perimeter= length ×width

180= 2(x+2X/3)

180=10x/3

x=54

length =54 cm

width=(2/3) 54=36 cm

dimensions =54, 54,36,36

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then x is =

Answer 2

Answer:

length =54 and width =36

Step-by-step explanation:

let width is x and length is y

Now, According to question

x=2/3 of y..............(1)

then, perimeter of rectangle =2(L+B)

180=2(x+y)

180/2=2/3 of y +y [from eq(1)]

90=(2y+3y)/3

90×3=5y

Thus,270=5y

y=270/5=54

Hence, length =54

width =2/3×54=36