![](https://search-static.byjusweb.com/question-images/byjus/infinitestudent-images/ckeditor_assets/pictures/5867/content_c.jpg)
The above shown quadrilateral is a parallelogram in which all sides are equal. Also, one of the angles is
90∘. Hence it is a square.
![](https://search-static.byjusweb.com/question-images/byjus/infinitestudent-images/ckeditor_assets/pictures/5865/content_a.jpg)
The above shown quadrilateral is a parallellogram with one of its angles
90∘. Hence it is a rectangle.
![](https://search-static.byjusweb.com/question-images/byjus/infinitestudent-images/ckeditor_assets/pictures/5866/content_b.jpg)
The above shown quadrilateral is a parallelogram in which all the sides are equal and one of the angles is
75∘. Hence it is a rhombus.