Is 5 m, 20 m, 25 m a right triangle

No

Step-by-step explanation:

We can check this using the Pythagorean Theorem, .

First, we can plug our two smaller sides in for a and b, and the largest side in for c.,

Next, we can check the left side of the equation, which we find to be:

Then, we can add these products and achieve the result of 425

Finally, we can solve the right side of the equation, which equals 625

As 425 ≠ 625, this equation fails the Pythagorean Theorem, and is therefor false.

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