The triangle ABC formed by AB = 5 cm, BC = 8 cm, AC = 4 cm is
(a) an isosceles triangle only
(b) a scalene triangle only
(c) an isosceles right triangle
(d) scalene as well as a right triangle
All three sides are different. Check: \(5^2 + 4^2 = 41 \neq 64\). So not right angled. Hence scalene only.