let the width of rectangle be "x"so, length = x+5perimeter is given by = 2(length + width) = 2(x+x+5) = 2(2x+5) = 4x+10given perimeter = 42so, 4x+10 =424x = 32x=8so, width = 8 cmlength = x+5 = 8+5 = 13 cmso, area of rectangle = length* width = 8*13= 104 cm squarePlease appreciate my help, by selecting my answer as the best, and add me as your tutor, Thanks!

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