Distance to a centroid

Geometry Level pending

A regular tetrahedron has been constructed as shown below with point P as the centroid of the base.

The centroid of the whole tetrahedron is located at C.

If the distance OC is a b \frac { \sqrt { a } }{ b } (simplified) . Determine the value a + b


The answer is 10.

This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try refreshing the page, (b) enabling javascript if it is disabled on your browser and, finally, (c) loading the non-javascript version of this page . We're sorry about the hassle.

1 solution

Geoff Taylor
Dec 30, 2017

so a + b = 10

0 pending reports

×

Problem Loading...

Note Loading...

Set Loading...