Question

Find the exact length of the third side

Answer 1

The answer would be 30 !

Answer 2

Phytagoras Theorem :

b² = c² - a²

b² = 50² - 40²

b² = 2500 - 1600

b² = 900

b = √900

b = 30

So, the exact length of the third side is 30

Hope it helpful and useful :)