tag:blogger.com,1999:blog-2787161678592839240.post6879571098307532913..comments2024-03-29T12:30:29.739+05:30Comments on www.mathsblog.in : Maths Blog for School Teachers & Students: ഒരു കൊച്ചു ചോദ്യംവി.കെ. നിസാര്http://www.blogger.com/profile/14303804236214732024noreply@blogger.comBlogger7125tag:blogger.com,1999:blog-2787161678592839240.post-33571001943120370402009-08-18T22:33:52.362+05:302009-08-18T22:33:52.362+05:30AB//DC,
B+C=180
ie:55+C=180
ie:C=180-55=125
B+D=18...AB//DC,<br />B+C=180<br />ie:55+C=180<br />ie:C=180-55=125<br />B+D=180(Opposite angles of a cyclic quadrilateral are supplimentary)<br />ie:55+D=180<br />D=180-55=125<br />again,AB//DC,A+D=180<br />ie:A+125=180<br />A=180-125=55rachanahttps://www.blogger.com/profile/13552998592309436688noreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-66509699263930718082009-08-16T23:29:21.430+05:302009-08-16T23:29:21.430+05:30ABCD Cyclic quadrilateral so D=180-55=125
AB//CD A...ABCD Cyclic quadrilateral so D=180-55=125<br />AB//CD AD intersect these lines<br />sum of co interior angles is 180<br />==> A=180-125=55<br />similarly C=180-55=125Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-11656345140220102292009-08-16T21:49:42.105+05:302009-08-16T21:49:42.105+05:30angle A=125,angle B=55,angle C=125,angle D=55,beca...angle A=125,angle B=55,angle C=125,angle D=55,because AB||DC and the plane is a trapezium.thesmi thomasnoreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-76078417355932757102009-08-16T21:44:50.541+05:302009-08-16T21:44:50.541+05:30If u r a Core Subject Teacher (Maths,s.s, Science ...If u r a Core Subject Teacher (Maths,s.s, Science ) then <a href="www.cstckerala.blogspot.com?mathsblog" rel="nofollow">CLICK HERE</a>Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-178075857104366352009-08-16T21:28:22.728+05:302009-08-16T21:28:22.728+05:30This is a cyclic quadrialeral. It will be an isoci...This is a cyclic quadrialeral. It will be an isocilus tripezium.When we draw perpendiculars from C and D to AB we get two right triangles which are congruent by RHS angle A =55 clearly.C and D are 125 eachAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-8887524451375884052009-08-16T20:08:36.355+05:302009-08-16T20:08:36.355+05:30angle A=55,angle c=angleD=125,since B&D are co...angle A=55,angle c=angleD=125,since B&D are complement angles. this is an isoceles trapeeziamvijayanhttp://meppayur.comnoreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-61179476800522308702009-08-16T07:58:56.824+05:302009-08-16T07:58:56.824+05:30Is the condition isAD//BC? orAB//CD ?
If AD//BC
An...Is the condition isAD//BC? orAB//CD ?<br />If AD//BC<br />Angle A =180-Angle B=180-55=125<br />Angle C =180-Angle A =55<br />Angle D = 180-Angle B =125<br />If AD//BC AB is not parallel to CD<br />If AB//CD<br />Angle C= Angle D =125 and Angle A = 55<br /><br /><br /> Muraleedharan C R<br />GVHSS VattenadAnonymousnoreply@blogger.com