Shapes and Angle Rules 80 + ? = = 180

Shapes and Angle Rules ? + 50 = = 180

Shapes and Angle Rules 10 + ? + 50 = = 180

Shapes and Angle Rules ? = = 360

Shapes and Angle Rules ? = = 360

Shapes and Angle Rules a = =

Shapes and Angle Rules c = =

Shapes and Angle Rules ? = =

Shapes and Angle Rules = m = 140

Shapes and Angle Rules = y = 255