Online Geometry Tutoring Problem 127. Triangle, Centroid, Incenter, Parallel, Proportions, iPad Apps. Math teacher Master Degree. College, SAT Prep. Elearning, Online math tutor, LMS.

Geometry Problems, Online Education

Problem 127. Triangle, Centroid, Incenter, Parallel, Proportions. Level: High School, SAT Prep, College

In the figure below, given a triangle ABC of sides AB = c, BC = a, and c > a. Let be I the incenter and G the centroid. If GI is parallel to AC, prove that: . View or post a solution.

Elearn 127: Centroid, Incenter, Parallel

Geometric Art using iPad Apps

Elearn 127: Centroid, Incenter using iPad Apps

See also: Problem 126. Augmented reality.