Angle Rules

• Quadrilateral

• Pentagon

• Hexagon

• This can't be a polygon.

• 1258 degrees

• 900 degrees

• 1260 degrees

• 1620 degrees

• 1800 degrees

• 2160 degrees

• 1440 degrees

• 1620 degrees

• 720 degrees

• 60 degrees

• 1080 degrees

• 120 degrees

• 360 degrees

• 1260 degrees

• 180 degrees

• 1620 degrees

• 20 degrees

• 360 degrees

• 160 degrees

• 2880 degrees

• This can't be a polygon

• Triangle

• Septagon

• Pentagon

• Septagon

• Triangle

• Pentagon

• This can't be a polygon

Which angle rule would you use to solve this?

• Vertically opposite angles are equal

• Alternate angles are equal

• Co-interior angles add up to 180^o

• Corresponding angles are equal

Find the angle labelled b.

• 118

• 105

• 75

• 72