In a right angle triangle ABC right angled at B, if AB = 4 cm, BC = 3 cm, then AC =
According to Pythagoras theorem
AC2= AB2+BC2
AC2= 42 + 32
= 16 + 9 = 25
⟹ AC = 5 cm
In a right triangle ABC, ∠B = 90°.
(a) If AB = 6 cm, BC = 8 cm, find AC
(b) If AC = 13 cm, BC = 5 cm, find AB