Triangle perimeter

Calculate the triangle perimeter whose sides are in ratio 3:5:7 and the longest side is 17.5 cm long.

Correct answer:

o =  37.5 cm

Step-by-step explanation:

c=17.5 cm  x=c/7=17.5/7=25=2.5 cm  o=(3+5+7) x=(3+5+7) 2.5=37.5 cm

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