In the given figure identify the
(i) Two point of adjacent pairs.
(ii) Three liner pair
(iii) two vertically opposite angles.

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Solution

$i) ∠ D O A a n d ∠ A O C ∠ A O C a n d ∠ C O B$

$i i) ∠ D O A + ∠ A O C = 180^{\circ} ∠ B O C + ∠ A O C = 180^{\circ} ∠ C O B + ∠ B O F + ∠ F O D = 180^{\circ}$

$i i i) ∠ B O C a n d ∠ D O A ∠ D O B a n d ∠ A O C$

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In the given figure identify the (i) Two point of adjacent pairs.(ii) Three liner pair(iii) two vertically opposite angles.

i)∠DOAand∠AOC∠AOCand∠COBii)∠DOA+∠AOC=180∘∠BOC+∠AOC=180∘∠COB+∠BOF+∠FOD=180∘iii)∠BOCand∠DOA∠DOBand∠AOC

In the given figure identify the
(i) Two point of adjacent pairs.
(ii) Three liner pair
(iii) two vertically opposite angles.

$i) ∠ D O A a n d ∠ A O C ∠ A O C a n d ∠ C O B$

$i i) ∠ D O A + ∠ A O C = 180^{\circ} ∠ B O C + ∠ A O C = 180^{\circ} ∠ C O B + ∠ B O F + ∠ F O D = 180^{\circ}$

$i i i) ∠ B O C a n d ∠ D O A ∠ D O B a n d ∠ A O C$