The perimeter of two similar triangles ABC and LMN are 60 cm and 48 cm respectively. If LM = 8 cm, then what is the length of AB?

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Lalit Gupta

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AB/LM = p(ABC)/p(LMN) AB/8 = 60/48 AB = 60*8/48 AB = 10cm.
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Perimeter Ratio is 60:48 Similar side Ratio will also be the same So 60:48 :: x:8 Gives x = 60x 8/48 = 10 cm Ans
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suppose length of AB =X . IN similar triangle ABC :LMN =60:48 =AB:LM =X :8 ,OR 60/48 = X/8 , OR X/8 = 5/4 , Or x=10 .AB =10cm answer.
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suppose length of AB =X . IN similar triangle perimeter ABC :LMN =60:48 =AB:LM =X :8 ,OR 60/48 = X/8 , OR X/8 = 5/4 , Or x=10 .AB =10cm answer.
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