Find the equation of the line

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

The students in a class were asked how many siblings they have. the data obtained is represented in the dot plot. the number of students who have no siblings is . the number of students who have three or more siblings is .

Select all of the categories that apply for the figure below. quadrilateral, trapezoid, parallelogram, rhombus, rectangle, square