In Fig.20, `O E` is the bisector of `/_B O Ddot` if `/_1=70^0,` find the magnitudes of `/_2,\ /_3\ a n d\ /_4.`

In Fig.20,OE is the bisector of /_BOD .if /_1=70^(@) ,find the magnitudes of /_2,/_3 and /_4

A B C is a triangle in which /_A=72^0 , the internal bisectors of angles B and C meet in O . Find the magnitude of /_B O Cdot

A B C is a triangle in which /_A=72^0, the internal bisectors of angles B\ a n d\ C meet in Odot Find the magnitude of /_B O C

ABC is a triangle in which /_A=72^(0), the internal bisectors of angles B and C meet in O. Find the magnitude of /_BOC.

ABC is a triangle in which /_A=72^(0), the internal bisectors of angles B and C meet in O.Find the magnitude of /_BOC

A B C D is a parallelogram in which /_A=70^0dot Compute /_B ,\ /_C\ a n d\ /_Ddot

In Fig 66, l in e\ l m ,\ /_1=120^0\ and /_2=100^0, find out /_3\ a n d\ /_4.

In Fig 66, l in e\ l m ,\ /_1=120^0\ and /_2=100^0, find out /_3\ a n d\ /_4.

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 .