sebbie

Since the angles are in a ratio of 5:6, they have measures of 5n and 6n. Set the sum of the angle measures equal to 360° and solve. 70° + 180° + 5n + 6n = 360° 250° + 11n = 360° Combine like terms 11n = 360° − 250° Subtract 250° from both sides 11n = 110°...