In figure, `DeltaO D C DeltaO B A ,/_B O C=125^o`and `/_C D O=70^o`. Find`/_D O C ,/_D C O and /_O A B`.

In Fig. 4.89, if E D C ~ E B A ,\ \ /_B E C=115o and /_E D C=70o . Find /_D E C ,\ \ /_D C E ,\ \ /_E A B ,\ \ /_A E B and /_E B A . (FIGURE)

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

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

In Figure, find x . Further find /_B O C ,\ /_C O D\ a n d\ /_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, if /_A O B=80^0a n d\ /_A B C=30^0, then find /_C A O

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

In Figure, A B C D is a parallelogram in which /_D A O=40^0, /_B A O=35^0 a n d /_C O D=65^0dot Find: /_A B O (ii) /_O D C (iii) /_A C B (iv) /_C B D