Question

HELP
Given: ABCD is a parallelogram and AC bisects BD.
Prove: AC bisects

Answer 1

2)
`ABCD` is a rhombus (a parallelogram with perpendicular diagonals is a rhombus)

3)
`\overline{AC}` bisects
`\angle BCD` (diagonals of a rhombus bisect the angles from which they are drawn)