Math, asked by rekhamakale1180, 4 months ago

please answer me fast please

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Answered by sakshibangarwa04

0

Answer:

perimeter = 2(l+b)

240 ,= 2(l+40)

240÷2 = l+40

120 = l+40

l = 120-40

l = 80

hence , length is 80 cm

Step-by-step explanation:

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