find the dimension of two rectangles whose lebght and breath are in the ratio 3:2 such that the perimeter is less then 100cm but more than 75cm.
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we have length breadth ratio as 3/2 so
we can it as 3x ,2x
given perimeter is less than 100 and greater 75.
perimeter of rectangle =2(l+b)
so 75<2(l+b)<100
=75<2×5x<100
=15<2x<20
x is between 15/2 to 10
ie is (7.5,10)
so dimension will be ( 3x,2x) accrding to certain value fr x
i hope u understood!!!!
we can it as 3x ,2x
given perimeter is less than 100 and greater 75.
perimeter of rectangle =2(l+b)
so 75<2(l+b)<100
=75<2×5x<100
=15<2x<20
x is between 15/2 to 10
ie is (7.5,10)
so dimension will be ( 3x,2x) accrding to certain value fr x
i hope u understood!!!!
naveen7178:
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