Must watch...<br />All about n-sides Regular Polygons, n- भुजाओं वाले समबहुभुज का अन्तः कोण, बाह्य कोण, अन्तः कोणों का योगफल एवं विकर्ण की संख्या ज्ञात करना सीखें ।<br />Learn to find...<br />1- External angle<br />2- Internal angle<br />3- Sum of all internal angles<br />4- Number of diagonals<br />Short and easy trick with formulas and examples...<br /><br />Please like, share & follow this channel.<br />
