# Triangle 71404

Which three lines of a given length can be three sides of a triangle?

A / 42mm; 22mm; 12mm;

B / 5cm, 50mm, 6cm;

C / 10m, 5m, 50dm;

D / 2.1cm, 4.2cm, 1.9cm

A / 42mm; 22mm; 12mm;

B / 5cm, 50mm, 6cm;

C / 10m, 5m, 50dm;

D / 2.1cm, 4.2cm, 1.9cm

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