In figure `OA**O B=O C** O D` . Show that `/_A=/_C` and `/_B=/_D` .

In figure OA*OB=OC*OD. Show that /_A=/_C and /_B=/_D

In the given figure OA*OB= OC*OD . Show that /_A= /_C" and "/_B= /_D .

In Fig. 4.126, (O A)/(O C)=(O D)/(O B) . Prove that /_A=/_C and /_B=/_D . (FIGURE)

In Figure, /_B C D=/_A D C and /_A C B=/_B D Adot Prove that A D=B C and /_A=/_B

In a triangle A B C ,\ /_A B C=\ /_A C B and the bisectors of /_A B C\ a n d\ /_A C B intersect at O such that /_B O C=120^0dot Show that /_A=/_B=/_C=60^0 .

If O is the circumcentre of /_\ A B C and O D_|_B C , prove that /_B O D=/_A

In Figure, given that /_A O C=/_A C O\ a n d\ /_B O D=/_B D O . Prove that A C||D B

In Figure, rays O A ,\ O B ,\ O C ,\ O D\ a n d\ O E have the common end point O . Show that /_A O B+\ /_B O C+\ /_C O D+\ /_D O E+\ /_E O A=360^0

In a quadrilateral A B C D ,C O and D O are the bisectors of /_C and /_D respectively. Prove that /_C O D=1/2(/_A+/_B)dot

In a quadrilateral A B C D , given that /_A+/_D=90o . Prove that A C^2+B D^2=A D^2+B C^2 .