Alan is drawing a geometric figure. He first constructs two diagonals that are perpendicular and bisect each other.

What else does Alan need to know about the diagonals to determine whether the quadrilateral will be a square or a rhombus? Explain your answer using complete sentences.

Question

Alan is drawing a geometric figure. He first constructs two diagonals that are perpendicular and bisect each other. 

What else does Alan need to know about the diagonals to determine whether the quadrilateral will be a square or a rhombus? Explain your answer using complete sentences.

anonymous · Answer

He will need to know If they are congruent/perpendicular.

anonymous · Answer

She already said they're perpendicular. But yes, knowing if they are congruent (or equal) will determine if it's a square vs a rhombus.

anonymous · Answer

Why is that ?