Question

The width of Ram's ground is 4 / 5 of its length. if its perimeter is 80 m, find its dimensions

Answer 1

Answer:

Step-by-step explanation:

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Answer 2

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l = 200/9 m

b = 160/9 m

step-by-step explanation:

Let the length of the ground be 'l'

and

the width/breath be 'b'

A.T.Q

b = 4l/5 .........................(i)

also,

perimeter = 80 m

=> 2(l+b) = 80

=> l+b = 80/2

=> l+ 4l/5 = 40 ...........from (i)

=> 5l + 4l = 200

=> 9l = 200

=> l = 200/9 m

Now,

from eqn (i),

b = 4l/5

putting the value of l,

we get,

=> b = 4×200 / 9× 5

=> b = 160/9 m