Homework Help: pentagon...GEOMETRY

Posted by Anonymous...urgent! on Monday, March 4, 2013 at 1:40am.

ABCDE is a regular pentagon. FAD is an equilateral triangle, such that points F and E are on the same side of line AD. What is the measure (in degrees) of ∠FAB?

pentagon...GEOMETRY - Steve, Monday, March 4, 2013 at 4:40am
angle AED = 108, so EAD = 36
FAD = 60, so FAE = 24
so, FAB = FAE+EAB = 24+108 = 132

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