A rectangle with all 4 sides equal is referred to as a Square. A rectangle can even be named as proper angled parallelogram. In the above rectangle, the perimeters A and C are equivalent and B and D are equal Joachim SauerJoachim Sauer 308k5959 gold badges565565 silver badges620620 bronze badges https://this-jav38146.answerblogs.com/32300628/the-smart-trick-of-this-jav-that-no-one-is-discussing