Please help ASAP pleeasassseee

Given the following similar triangles what is the area of triangle b ? a) 1 b)1.8 c)3.2 d)5

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.

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab