Question

Use ∆ABC to answer the question that follows.

http://tinypic.com/r/5nrj3b/6

Given: ∆ABC

Prove: The three medians of ∆ABC intersect at a common point.

When written in the correct order, the two-column proof below describes the statements and justifications for proving the three medians of a triangle all intersect in one point.

http://tinypic.com/r/2vjar6e/6

Which is the most logical order of statements and justifications I, II, III, and IV to complete the proof?

A) III, IV, II, I
B) IV, III, I, II
C) III, IV, I, II
D) IV, III, II, I

Answer 1

medians of a triangle all intersect in one point is called centroid i think.

Answer 2

Is it C) III, IV, I, II?