How do you do this geometry problem

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.

Find the distance from the theater to the library. leave your answer in simplest radical form if necessary. 12 √12 74 √74

If the class creates a histogram of the data in table, how many students are in the range 12cm to 13.9 cm