Question

The area of a rectangular plot is 460 m2. If the length is 15% more than its breadth,
find the perimeter of the plot.​

Answer 1

Answer:

86 m is your answer

Step-by-step explanation:

SEE IF BREADTH = X

THAN LENGTH = X + 15 % OF X

= X + 15/100X

= 115/100X = 23/20X

AREA OF RECTANGLE = 460m^2

LENGTH × BREADTH = 460

23/20X × X = 460

23/20 X^2 = 460

X^2 = 460 × 20 / 23

X^2 = 20 × 20

X = √ 20 × 20

X = 20m

SO LENGTH = 23/20X = 23/20 × 20 = 23m

BREADTH = X = 20m

PERIMETER OF RECTANGLE = 2(L+B)

= 2(23+20)

= 2(43)

= 86m

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