A regular polygon has all sides equal and all interior angles equal. The vertex is located at the center of the regular polygon. To measure the vertex of any angle in a polygon, select
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The letter E would be at the vertex. The two lines enclosing the angle E would be ED and EF. Usually, to make it quite clear we would call angle E by the description "angle DEF
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( ′vər′teks ′aŋ·gəl ) (mathematics) In a triangle, the angle opposite the base.
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The vertex of a right triangle is the point on a triangle that is opposite to
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