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1 vote
Definition: This is a quadrilateral with four congruent angles (all 90°).

Example: This shape is also known as a parallelogram with congruent diagonals.

2 Answers

6 votes
Square. All the angles are congruent of 90° making a perfect square
User Puma
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3 votes

Answer:

Rectangle

Explanation:

User Emmanuel Mariki
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