What is the mean absolute deviation of 21 17 14 26 13 20

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

D(5, 7). e(4,3), and f(8, 2) form the vertices of a triangle. what is mzdef? oa. 30° ob. 45° oc. 60° od 90°

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual