Question 13 Marks
एक बहुभुज सम (regular) होता है, यदि उसकी सभी भुजाएँ बराबर हों और सभी कोण बराबर हों । क्या आप एक सम चतुर्भुज (regular quadrilateral) की पहचान कर सकते हैं ? हल : एक बहुभुज एक समचतुर्भुज होता है ।
Answer
View full question & answer→A rectangle has all its angles of $90^o$ and opposite sides are equals and parallel to each other. A parallelogram also has opposite sides equal and parallel to each other. So we can say that a parallelogram with all of its angles as right angles becomes a rectangle and this rectangle can be thought of as a special parallelogram.