the lenght of the rectangal is three times Its width.it is the perimeter is 84 m,find the lenght of the rectangle
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let the width be x
so, length = 3x
perimeter = 2(length+width)
84 = 2(3x+x)
84/2 = 4x
x = 42/4
x = 10.5 m
so,
width = 10.5 m
length = 3×10.5 = 31.5 m
so, length = 3x
perimeter = 2(length+width)
84 = 2(3x+x)
84/2 = 4x
x = 42/4
x = 10.5 m
so,
width = 10.5 m
length = 3×10.5 = 31.5 m
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