Verified answer

(ii) 1.5 cm, 2 cm, 2.5 cm - These sides can form a right angled triangle with 1.5 cm as the hypotenuse.

(i) 4 cm, 5 cm, 7 cm - These sides can form a right angled triangle with 5 cm as the hypotenuse.

(iii) 7 cm, 5.6 cm, 4.2 cm - These sides cannot form a right angled triangle as 7 cm + 5.6 cm > 4.2 cm + 2 x (7 cm + 5.6 cm).

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