Two lines `A B\ a n d\ C D` intersect at `Odot` If `/_A O C+/_C O B+/_B O D=270^0` , find the measures of `/_A O C ,\ /_C O B ,\ /_B O D` and `/_D O A`.

Two straight lines A B\ a n d\ C D intersect one another at the point Odot If /_A O C+/_C O B+/_B O D=274^0, then /_A O D=

In Figure, lines A B\ a n d\ C D intersect at O . If /_A O C+\ /_B O E=70^0 and \ /_B O D=40^0, find /_B O E and reflex /_C O E

In Fig. 6.13, lines AB and CD intersect at O. If /_A O C\ +/_B O E=70^@ and /_B O D=40^@ , find /_B O E and reflex /_C O E .

In Fig. 6.13, lines AB and CD intersect at O. If /_A O C\ +/_B O E=70^@ and /_B O D=40^@ , find /_B O E and reflex /_C O E .

In Figure, find x . Further find /_B O C ,\ /_C O D\ a n d\ /_A O D .

In Figure, lines A B ,\ C D\ a n d\ E F intersect at O . Find the measures of /_A O C ,\ /_C O F ,\ /_D O E\ a n d\ /_B O F .

In Fig.25, find /_xdot Further find /_B O C ,\ /_C O D\ a n d\ /_A O Ddot

A B\ a n d\ C D are diameters of a circle with centre Odot If /_O B D=50^0, find /_A O C

In A B C , if bisectors of /_A B C\ a n d\ /_A C B intersect at O at angle of 120^0 , then find the measure of /_A

In a parallelogram A B C D , the diagonals bisect each other at Odot If /_A B C=30^0,\ /_B D C=10^0a n d\ /_C A B=70^0, Find: /_D A B ,\ /_A D C ,\ /_B C D ,\ /_A O D ,\ /_D O C ,\ /_B O C ,\ /_A O B ,\ /_A C D ,\ /_C A B ,\ /_A D B