`A B ,\ C D ,\ a n d\ E F` are three concurrent lines passing through the point `O` such that `O F` bisects `/_B O Ddot` If `/_B O F=35^0,` find `/_B O C` and `/_A O Ddot`

AB,CD, and EF are three concurrent lines passing through the point O such that OF bisects /_BOD .If /_BOF=35^(0), find /_BOC and /_AOD.

Line segments AB and CD intersect at O such that A C||D B . If /_C A B=35^0 and /_C D B=55^0 find the /_B O Ddot

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 .

The diagonals of a rectangle A B C D\ meet at O . If /_B O C=44^0, find /_O A D

A B C D is a parallelogram in which diagonal A C\ bisects /_B A Ddot If /_B A C=35^0 , then /_A B C= 70^0 (b) 110^0 (c) 90^0 (d) 120^0

In Figure, A B C D is a rectangle in which diagonal A C is produced to Edot If /_E C D=146^0, find /_A O B

In Fig.81, side B C of A B C has been produced to D and C E B Adot If /_A B C=65^0,\ /_B A C=55^0, find /_A C E ,\ /_E C D\ a n d\ /_A C Ddot

If Figure, /_A O F\ a n d\ /_F O G form a linear pair. /_E O B=\ /_F O C=90^(00)a n d\ /_D O C=\ /_F O G=\ /_A O B=30^0 Find the measure of /_F O E ,\ /_C O B\ a n d\ /_D O Edot Name all the right angles. Name three pairs of adjacent complementary angles. Name three pairs of adjacent supplementary angles. Name three pairs of adjacent angles.

In Fig. 10.36, A,B and C are three points on a circle with centre O such that /_B O C""=" "30^o and /_A O B" "=" "60^o . If D is a point on the circle other than the arc ABC, find /_A D Cdot

The base of the pyramid A O B C is an equilateral triangle O B C with each side equal to 4sqrt(2),O is the origin of reference, A O is perpendicualar to the plane of O B C and | vec A O|=2. Then find the cosine of the angle between the skew straight lines, one passing though A and the midpoint of O Ba n d the other passing through O and the mid point of B Cdot