Question

Given that I is the centroid of /, find IF.

A.
3.8
B.
5.6
C.
7.6
D.
15.2

Answer 1

Is there a diagram to go along with this question? It seems difficult to answer just based on the information here.

Answer 2

@mark do you know what mean that I is the centroid point of figure - triangle ECD ?
how you get the centroid point of a triangle - using what lines inside triangle altitudes or bisectors or what ?