The above shape is a quadrilateral and its a square. Therefore, Jack is correct.
What is a quadrilateral?
A quadrilateral is a 2 dimensional figure with 4 sides.
Examples of quadrilaterals are rhombus , square, rectangle, parallelogram etc.
A rhombus is a quadrilateral with 4 sides same length. The angles of rhombus are not right angles.
A square is a quadrilateral with 4 sides same length and 4 square corners that a right angles.
learn more on quadrilaterals here: https://brainly.com/question/22791344
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