Question

The sides of a triangle are 5,12 & 13 units. Check if it has a right angle or not.

Answer 1

Answer:

By pythagoras theorem,

a^2 + b^2 = c^2

5^2 + 12^2

= 25 + 144

=169

= 13^2

Thus it is an right angle triangle

Hope this helps you buddy!

Answer 2

Answer:

Yes , It is a right Triangle.

Step-by-step explanation:

Let the triangle be ∆ABC , with AC as the hypotenuse.

L.H.S. = AB² + BC²

= 5² + 12²

= 25 + 144

= 169 units

R.H.S. = AC²

= 13²

= 169 units

.°. L.H.S. = R.H.S.

.°. By Converse of Pythagoras theorem,

∆ ABC is a Right Triangle.

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