1.

(i) 7 cm,24 cm, 25 cm

Answer»

The given is side of right angled trianglebecause, pythaogras theorem is applicable

7² + 24² = 25²

(25) square = 625 ......(1)(7) square + (24) square= 49+576=625. .....(2) from (1) &(2) 25 square = 7 square+ 24 square therefore it is a Pythagorean triplet.(because the square of greater number is equal to sum of the remaining numbers)



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