Question

In the figure given along side, the lines AB and CD intersect at 0. State the value of Za.​

Answer 1

Answer:

Two lines AB and CD intersect each other at O

\angle AOC=68∠AOC=68°

(i) AOB is a line

\angle AOC+\angle BOC=18068° +a=112°

a= 180° - 68° = 112°

(ii) \angle AOC\ and\ \angle BOD\ and\ \angle BOC\ and\ AOD\are the two pairs of vertically opposite angles.

(iii) \angle AOC\ and\ \angle BOD;\ \angle BOC\ and\ \angle BOD;\ \angle BOD\ and\ \angle DOA∠AOC and ∠BOD; ∠BOC and ∠BOD; ∠BOD and ∠DOA are pairs of adjacent angles

(iv) \angle BOC\ and\ \angle DOA\∠BOC and ∠DOA are reflex angles and also

\angle AOC\ and\ \angle BOD\ are\ also\ reflex\ angles∠AOC and ∠BOD are also reflex angles

Ref. \angle BOC∠BOC= 180° +68° =248°

Ref. \angle DOA∠DOA= 180° +68° =248°

Ref. \angle AOC∠AOC= 180° +112° =292°

and red. \angle BOD∠BOD= 180° +112° =292°