In the figure above, given a regular octagon ABDEFGH, diagonals BF and DG intersect at M. If GH = a, Prove that . See also: Problem 287.

See also: Problem 592

Sketch of #Geometry #Problem 592: Triangle, #Concurrency, Incenter, Incircle, Tangency Point, Midpoints, Congruence. Software, Mobile Apps, #iPad Details: http://www.gogeometry.com/problem/p592_triangle_incircle_incenter_tangency_point_midpoint_concurrency.htm A post shared by Antonio Gutierrez (@gogeometry1) on Jun 16, 2017 at 8:26am PDT

Sketch of #Geometry #Problem 592: Triangle, #Concurrency, Incenter, Incircle, Tangency Point, Midpoints, Congruence. Software, Mobile Apps, #iPad Details: http://www.gogeometry.com/problem/p592_triangle_incircle_incenter_tangency_point_midpoint_concurrency.htm

A post shared by Antonio Gutierrez (@gogeometry1) on Jun 16, 2017 at 8:26am PDT

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