Question

square rectangle rhombus triangle which category do all of these shapes belong to?

Explanation:

Step1: Analyze the properties of each shape

A square is a special rectangle with all sides equal. The given pink shape (square) and the other two non - square shapes (blue and red) all have four right angles and opposite sides equal.

Step2: Compare with the definitions

A rectangle is defined as a quadrilateral with four right angles. A rhombus has all sides equal but not necessarily right angles. A triangle has three sides. So, all these shapes (square and the two non - square quadrilaterals) are rectangles.

Answer:

rectangle