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2 May, 20:13

A rectangl

e field has an anrea of 40cm^2. if one side of the field is 3n longer than the other side, find the new area of the field where the length of each side is increased by 10%

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  1. 2 May, 23:40
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    Answer: 48.4 cm^2

    Step-by-step explanation:

    l*h=40 cm^2

    l * (l+3) = 40 cm^2

    l * (l+3) = 5*8

    so l=5, h=8

    when l=5+10/100 * 5=5+1/2=5.5 cm

    h=8+10/100*8=8+8/10=8.8 cm

    Area now is 5.5*8.8=48.4 cm^2
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