A kite is shown. 

a. Which of the following properties are true for a kite?

• It has one pair of equal opposite angles.

• It has two pairs of equal opposite angles. l Its diagonals intersect at right angles.

• It has two pairs of adjacent sides of the same length.

• It has one line of reflective symmetry.

• It has two lines of reflective symmetry.

• It has no rotational symmetry.

• It has a rotational symmetry of order 2.

• Its internal angles add up to 360°.

b. Calculate each of the angles a, b and c.

Justify your answers using some of the properties you identified in part (a) above.