1. Which of the following are lengths of a triangle?
a) AB = 25 cm, BC = 19 cm, CA = 1
4 cm
b)XY = 15 cm, YZ = 20 cm, XZ = 25 cm
c)DE=9dm,EF=10dm, DF=8dm
d)PQ=8cm, QR=8cm,RP=8cm
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Answer:
AB = 25 cm, BC = 19 cm, CA = 1
4 cm
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