Show that the `DeltaABC` with vertices A ( 0,4, 1) , B ( 2, 3, -1) and C ( 4,5,0) is right angled.

Explanation

To show that triangle ABC with vertices A(0, 4, 1), B(2, 3, -1), and C(4, 5, 0) is right-angled, we will use the distance formula to calculate the lengths of the sides and then apply the Pythagorean theorem.

### Step 1: Calculate the Length of Side AB
Using the distance formula:
\[ AB = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2 + (z_2 - z_1)^2} \]
Substituting the coordinates of points A and B:
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