Angles in Quadrilaterals

Angles in Quadrilaterals

Angles in quadrilaterals

What are the angle properties of quadrilaterals?

• The four interior angles inside any quadrilateral add up to 360°

• If the quadrilateral is a square or a rectangle then all the angles are equal to 90°

• You can use any symmetries of the quadrilateral to identify other equal angles

  • For a parallelogram or rhombus, opposite angles are equal

  • For a kite, one pair of opposite angles are equal