36 degrees exactly. (It's 1/5 of 180.) Golden triangles (i.e., isosceles with side-to-base ratio of phi = golden ratio) are found in pentagrams.
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If the vertex of an isosceles triangle has a measure of 70° what is the measure of one base angleANSWER:Isosceles = 2 legs, 1 vertex, 1 baseTriangle = 180°if its vertex measure 70° , 1 leg ____? + 1 leg____? =180° and all isosceles triangle has congruent legs.180°- 70°=110° then 110° divided by 2 =55°=vertex of an isosceles triangle measure 70° and its 2 legs measure 55°
If that '56' has units of 'degrees', then the vertex angle is 68 degrees.
70
Vertex of a triangle is any of its 3 corners and the plural of vertex is vertices
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