Question

Please solve question no. 21. Please answer it fast!

Answer 1

Take angle ACD=22°+35°

ACD=57°

Since Angle A=C

then ab parallel to cd. ....(1)

now angle E +ECD=145+35=180°

Since sum is 180° then it forms Co interior angle now

cd parallel to ef. ....(2)

from (1) and (2)

ab parallel to ef