What is the Length of the side AD in the given figure?
√5 m
ABC is a right - angled isosceles triangle.
The sides are in the ratio 1 : 1 : √2
Let the sides be x , x , √2 x
Here x = √2
∴ The Length of AC = √2 x = √2×√2 = 2 m
Hence, using Pythagoras theorem we can say :
AD = √CD2+AC2
√12+22 = √5 m