In parallelogram ABCDwith diagonals AC and BD, which of the following is true?

Answer:
the first answer is correct
Step-by-step explanation:
the one you have selected is true because it is not a rectangle so it's not the second option and the third option is not true and neither is the fourth so it is definitely the first option that you have selected.
Answer:
Last one at the bottom
Step-by-step explanation:
Because all of those diagonals are equal to each other. So that would mean those diagonals are equal in legnth.