How do you find x in this polygon?
(5 - 2) x 180 = 540 = sum of interior angles in pentagon180 - 42 = 138°180 - 80 = 100°110 + 100 + 138 + 2x + x = 540348 + 3x = 540- 3483x = 192÷ 3x = 64°
