Question

If OA = a, OB = b then find the value of BA by Pythagoras theorem​

Answer 1

Answer:

By Pythagoras theorem

BA^2 = OA^2 + OB^2

= a^2 +b^2

BA = √(a^2 + b^2)

For example if a = 3 and b=4, then

BA = √(3^2 + 4^2) =√9+16 = √25 = 5 Ans