What is the measure of ∠b? 98° 108° 118° 128 °

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.

Question b of 10which of the following describe an angle with a vertex at a? check all that applyo a. labcов. савd dooo c_baco d. zacb

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2