In Fig. 54, if `/_2=120^0\ a n d\ /_5=60^0,` show that `m||ndot`

In Figure, if /_2=120^0a n d\ /_5=60^0, show that m||n .

In Figure, p is a transversal to lines m and n and , /_2=120^0a n d\ /_5=60^0 . Prove that m ||n

In Fig.55, if /_3=61^0 and /_7=118^0dot Is m||n ?

In Fig.70. if\ l m n\ a n d\ /_1=60^0, find /_2.

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

In Figure, if /_B A C=60^0\ a n d\ /_B C A=20^0,\ find /_A D C

In Fig., if l || m|| n and /_1=60^0, find /_2.

In Fig.104, A B C D ,\ /_O A B=150^0\ a n d\ /_O C D=120^0dot Then, /_A O C= (a) ( b ) (c) (d) (e) 80^(( f )0( g ))( h ) (i) (j) (b) ( k ) (l) (m) (n) 90^(( o )0( p ))( q ) (r) (s) (c) ( d ) (e) (f) (g) 70^(( h )0( i ))( j ) (k) (l) (d) ( m ) (n) (o) (p) 100^(( q )0( r ))( s ) (t) (u)

In Figure, /_A=60^0\ a n d\ /_A B C=80^0, find /_D P C\ a n d\ /_B Q C

In Fig.26, A B=A C\ a n d\ /_A C D=120^0dot Find /_Adot