Each group from the alternatives represents lengths of sides of a triangle.State which group does not represent a right angled triangle.(1) (9. 40. 41)(21 (20, 25, 30)(4) (6, 8, 10)(3) (8, 15, 17)Explain it !!!!!!!!! About the author Elliana
Answer:
(1) (9.40.42)
it does not follow pythagoras theorem