Question

how to prove a quadrilateral a llgm


How to prove that a parallelogram is a rhombus

how to prove a llgm is a rectangle


how to prove a llgm a square​

Answer 1

Answer:

Step-by-step explanation:

To prove a quadrilateral is a rhombus, here are three approaches: 1) Show that the shape is a parallelogram with equal length sides; 2) Show that the shape's diagonals are each others' perpendicular bisectors; or 3) Show that the shape's diagonals bisect both pairs of opposite angles.

A quadrilateral is a rhombus but not a square if ,

A. its diagonals do not bisect each other.

B. its diagonals are not perpendicular.

C. opposite angles are not equal.

D. the length of diagonals are not equal.