Selina Concise Class 7 Math Chapter 16 Pythagoras Theorem Exercise 16 Solution EXERCISE 16 (1) Applying Pythagoras theorem, BC2 = AB2 + AC2 ⇒ BC2 = (24)2 + (18)2 ⇒ BC2 = 576 + 324 = 900 ⇒ BC = √900 = 30 cm (2) Applying Pythagoras theorem, XY2 = XZ2 + ZY2 ⇒ XZ2 […]