Angles in 2D Shapes

Name the angles in this shape

• 4 right angles

• 2 obtuse angles and 2 acute angles

• 4 acute angles

• 2 acute angles and 2 right angles

Name the angles in this shape

• 3 right angles and 1 acute angle

• 4 obtuse angles

• 4 acute angles

• 2 obtuse angles and 2 acute angles

Name the angles in this shape

• 8 obtuse angles

• 8 right angles

• 8 acute angles

• 4 obtuse angles and 4 acute angles

How many sets of parallel lines are in this shape

• 4 sets

• 2 sets

• 1 set

• no parallel lines

How many pairs of perpendicular lines are in this shape

• 4 pairs

• 1 pair

• 2 pairs

• 5 pairs