Question

Perimetrul unui triunghi este egal cu 27cm.Aflati lungimile laturilor triunghiului, stiind ca ele sunt exprimate prin numere naturale consecutive.

Answer 1

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Answer 2

a+b+c=27cm
b=a+1cm
c=a+2cm
⇒a+[a+1cm]+[a+2cm]=27cm
⇒3a=27cm-[1cm+2cm]
⇒3a=27cm-3cm
⇒3a=24cm
⇒a=24cm/3
⇒a=8cm;
⇒b=a+1cm
⇒b=8cm+1cm⇒b=9cm;
⇒c=8cm+2cm⇒c=10cm;