Answer:
They have four vertices.
They have four sides.
The sum of all interior angles is 360°.
They have two diagonals.
A quadrilateral can be regular or irregular. A regular quadrilateral must have 4 equal sides and 4 equal angles, and its diagonals must bisect each other.
Step-by-step explanation: hope this helps
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Answers & Comments
Answer:
They have four vertices.
They have four sides.
The sum of all interior angles is 360°.
They have two diagonals.
A quadrilateral can be regular or irregular. A regular quadrilateral must have 4 equal sides and 4 equal angles, and its diagonals must bisect each other.
Step-by-step explanation: hope this helps