Question

solve this it's urgent​

Answer 1

Answer:

Both of them are right angled triangles.

We need to check them by Pythagoras theorem.

3) 12^2 + 16^2 = 20^2

144 + 256 = 400

400 = 400

4) 12^2 + 5^2 = 13^2

144 + 25 = 169

169 = 169

Answer 2

Answer:

yes they both are right angled triangles as,

3)400=400

4)169=169