Find the measure of angle X Sum of angles -90-114-78=___ ( n=__ n-2 )*180 90 x x= sum of angles =____ 114 78 Name the shape Find the measure of angle F F 90 61 Name the shape triangle, trapezoid, pentagon, or hexagon What is the formula used to find the sum of interior degrees for a polygon? n x180, (n+3)X360, or (n-2)X180 For this shape (heptagon) n= b Angle b = 125 125 120 120 120 (n-2)*180 How many degrees for a triangle? n=__ Sum of interior angles = What is the measure for angle t If all other internal angles = 639 t |