# What is the distance between #M(7,−1,5)# and the origin?

##### 1 Answer

Aug 14, 2014

The answer is

We simply use the Pythagorean Theorem for this calculation. We can draw a right triangle on the

but

so

and substituting the values from your question:

We can generalize the distance between any 2 - 3D points as:

The order of