Question

The+length+of+rectangle+is+3+times+of+its+width.+Its+perimeter+is+84+meter,+find+the+length+of+rectangle+

Answer 1

Answer:

let the width or breadth be x

length = 3x

perimeter = 2(length + breadth)

84 = 2(3x+x)

84=8x

x=10.5

length = 3(10.5)=31.5 meter

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