Question

which shape has 2 square corners?

Explanation:

A square corner (right angle) is 90 degrees. The first shape (blue) has two top corners that are right angles (square corners). The yellow shape (rhombus) has no right angles, the green hexagon has no right angles, and the blue parallelogram has no right angles. So the first blue shape has 2 square corners.

Answer:

The first (blue) shape (the pentagon - like shape with two right - angled top corners)