Question

2. Three sides of a triangle ABC are given below. State whether the triangle is a right-angled triangle
If so, find the right angle,
(b) AB = 6 cm, BC = (12+1) cm and AC = (+2 -1) cm
(C) AB = 7 cm, BC = 4 cm and AC =5 cm​

Answer 1

no they are not right angle triangle